Welcome to the home page of Maurizio Gasperini.

http://www.ba.infn.it/~gasperin/ ---------------- last update 26/01/2014


Address:
Dipartimento di Fisica, Universita' di Bari, Via Amendola 173, 70126 Bari, Italy,
and Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Bari, Italy

Phone : +39-080-544 3465 -- Fax : +39-080-544 2434

E-mail: gasperini@ba.infn.it , Maurizio.Gasperini@cern.ch

   Academic Home Page



Page devoted to STRING COSMOLOGY


THE PRE-BIG BANG SCENARIO

A) The general picture

B) Motivations
Strings and extended objects in curved backgrounds
Duality symmetries

C) Fundamental problems
Singularity and graceful exit
Initial conditions

D) Phenomenological aspects
Gravitational radiation
Scalar perturbations, dilatons and axions
Squeezing and entropy
Primordial magnetic fields and vector perturbations
Fermion production
Reheating
Quintessence

E) Quantum cosmology aspects

F) Generalizations
Axion-dilaton models
Ramond forms, M-theory and branes
Inhomogeneous models

G) Review talks and lectures


A) Pre-big-bang scenario: the general picture

  1. SCALE FACTOR DUALITY FOR CLASSICAL AND QUANTUM STRINGS
    G. Veneziano, Phys. Lett. B265, 287 (1991).
  2. PRE-BIG-BANG IN STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Astropart. Phys. 1, 317 (1993).
  3. INFLATION, DEFLATION AND FRAME-INDEPENDENCE IN STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Mod. Phys. Lett. A8, 3701 (1993).
  4. DILATON PRODUCTION IN STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Phys. Rev. D50, 2519 (1994).

B) Pre-big bang scenario: motivations

Strings and extended objects in curved backgrounds

  1. HIGHLY UNSTABLE FUNDAMENTAL STRINGS IN INFLATIONARY COSMOLOGIES
    M. Gasperini, N. Sanchez and G. Veneziano, Int. J. Mod. Phys. A6, 3853 (1991).
  2. SELF-SUSTAINED INFLATION AND DIMENSIONAL REDUCTION FROM FUNDAMENTAL STRINGS
    M. Gasperini, N. Sanchez and G. Veneziano, Nucl. Phys. B364, 365 (1991).
  3. KINEMATIC INTERPRETATION OF STRING INSTABILITY IN A BACKGROUND GRAVITATIONAL FIELD
    M. Gasperini, Phys. Lett. B258, 70 (1991).
  4. A GEOMETRIC REGULARIZATION PROCEDURE FOR THE CURVATURE OF COSMOLOGICAL BACKGROUNDS
    M. Gasperini, in "Advances in theoretical physics", edited by E. R. Caianiello (World Scientific, Singapore, 1991), p. 77.
  5. CAUSAL HORIZONS, ACCELERATIONS AND STRINGS
    M. Gasperini, Gen. Rel. Grav. 24, 219 (1992).
  6. EVOLUTION OF A STRING NETWORK IN BACKGROUNDS WITH ROLLING HORIZONS
    M. Gasperini, M. Giovannini, K. A. Meissner and G. Veneziano, in "String theory in curved space times", edited by N. Sanchez (World Scientific, Singapore, 1998) p. 49.

  7. Duality symmetries

  8. SUPERSTRINGS COSMOLOGY
    E. Alvarez, Phys. Rev. D31, 418 (1985).

  9. SUPERSTRINGS IN THE EARLY UNIVERSE
    R. Brandenberger and C. Vafa, Nucl. Phys. B316, 391 (1989).

  10. PRIMORDIAL SUPERSTRINGS AND THE ORIGIN OF THE UNIVERSE
    E. Alvarez and M. A. R. Osorio, Int. J. Theor Phys. 28, 949 (1989).

  11. FROM TRIVIAL TO NON-TRIVIAL CONFORMAL STRING BACKGROUNDS VIA O(d,d) TRANSFORMATIONS
    M. Gasperini, J. Maharana and G. Veneziano, Phys. Lett. B272, 277 (1991).
  12. MANIFESTLY O(d,d) INVARIANT APPROACH TO SPACE-TIME DEPENDENT STRING VACUA
    K. A. Meissner and G. Veneziano, Mod. Phys. Lett. A6, 3397 (1991).
  13. ELEMENTS OF STRING COSMOLOGY
    A. A. Tseytlin and C. Vafa, Nucl. Phys. B372, 443 (1992).
  14. O(d,d)-COVARIANT STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Phys. Lett. B277, 256 (1992).
  15. A PROBLEM WITH NON-ABELIAN DUALITY?
    M. Gasperini, R. Ricci and G. Veneziano, Phys. Lett. B319, 438 (1993).
  16. HOMOGENEOUS CONFORMAL STRING BACKGROUNDS
    M. Gasperini and R. Ricci, Class. Quantum Grav. 12, 677 (1995).
  17. CORRELATION BETWEEN MOMENTUM MODES AND WINDING MODES IN BRANDENBERGER-VAFA'S STRING COSMOLOGICAL MODEL
    K. Hotta, K. Kikkawa and H. Kunitomo, Prog. Theor. Phys. 98, 687 (1997).
  18. SCALE FACTOR DUALITIES IN ANISOTROPIC COSMOLOGIES
    D. Clancy, J. E. Lidsey and R. Tavakol, Class. Quantum Grav. 15, 257 (1998).
  19. BRANE GASES IN THE EARLY UNIVERSE
    A. Alexander, R. Brandenberger and D. Easson, Phys. Rev. D 62, 103509 (2000).
  20. NON-ABELIAN T-DUALITY IN PRE-BIG BANG COSMOLOGY
    A. Bossard and N. Mohammedi, Nucl. Phys. B651, 249 (2003).

C) Pre-big-bang scenario: fundamental problems

Singularity and graceful exit

  1. BOOSTING AWAY SINGULARITIES FROM CONFORMAL STRING BACKGROUNDS
    M. Gasperini, J. Maharana and G. Veneziano, Phys. Lett. B296, 51 (1992).
  2. INFLATION IN SCALAR-TENSOR GRAVITY WITH QUADRATIC GAUSS-BONNET SELF-INTERACTIONS
    M. Gasperini and M. Giovannini, Phys. Lett. B287, 56 (1992).
  3. SINGULARITY-FREE COSMOLOGICAL SOLUTIONS OF THE SUPERSTRING EFFECTIVE ACTION
    I. Antoniadis, J. Rizos and K. Tamvakis, Nucl. Phys. B415, 497 (1994).
  4. THE GRACEFUL EXIT PROBLEM IN STRING COSMOLOGY
    R. Brustein and G. Veneziano, Phys. Lett. B329, 429 (1994).
  5. STRING COSMOLOGY AND INFLATION
    C. Angelantonj, L. Amendola, M. Litterio and F. Occhionero, Phys. Rev. D51, 1607 (1995).
  6. TOWARDS A SINGULARITY FREE INFLATIONARY UNIVERSE?
    N. Kaloper, R. Madden and K. A. Olive, Nucl. Phys. B452, 677 (1995).
  7. DYNAMICAL TOPOLOGY CHANGE, COMPACTIFICATIION AND WAVES IN STRING COSMOLOGY
    E. Kiritsis and C. Kounnas, Nucl. Phys. Proc. Suppl.41, 311 (1995).
  8. TREE-LEVEL STRING COSMOLOGY
    R. Easther, K. Maeda and D. Wands, Phys. Rev. D53, 4247 (1996).
  9. AXIONS AND THE GRACEFUL EXIT PROBLEM IN STRING COSMOLOGY
    N. Kaloper, R. Madden and K. A. Olive, Phys. Lett. B 371, 34 (1996).
  10. GRACEFUL EXIT IN QUANTUM STRING COSMOLOGY
    M. Gasperini, J. Maharana and G. Veneziano, Nucl. Phys. B 472, 349 (1996) .
  11. BIRTH OF THE UNIVERSE AS QUANTUM SCATTERING IN STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Gen. Rel. Grav. 28, 1301 (1996).

    Awarded the "Third Prize" in the 1996 Awards for Essays on Gravitation (Gravity Reserach Foundation, Wellesley Hills, Ma).

  12. ONE-LOOP SUPERSTRING COSMOLOGY AND THE NON-SINGULAR UNIVERSE
    R. Easther and K. Maeda, Phys. Rev. D54, 7252 (1996).
  13. BACK REACTION AND GRACEFUL EXIT IN STRING INFLATIONARY COSMOLOGY
    Soo-Jong Rey, Phys. Rev. Lett. 77, 1929 (1996).
  14. SINGULARITY AND EXIT PROBLEMS IN TWO-DIMENSIONAL STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Phys. Lett. B387, 715 (1996).
  15. TOWARDS A NON-SINGULAR PRE-BIG BANG COSMOLOGY
    M. Gasperini, M. Maggiore and G. Veneziano, Nucl. Phys. B 494, 315 (1997).
  16. GRACEFUL EXIT AND ENERGY CONDITIONS IN STRING COSMOLOGY
    R. Bustein and R. Madden, Phys. Lett. B410, 110 (1997).
  17. INSTANTON EFFECTS IN STRING COSMOLOGY
    K. Behrndt, S. Forste and S. Schwager, Nucl. Phys. B508, 391 (1997).
  18. A MODEL OF GRACEFUL EXIT IN STRING COSMOLOGY
    R. Brustein and R. Madden, Phys. Rev. D57, 712 (1998).
  19. SINGULARITIES IN SCALAR-TENSOR COSMOLOGIES
    N. Kaloper and K. A. Olive Phys. Rev. D57, 811 (1998).
  20. MASSIVE STRING MODES AND NON-SINGULAR PRE-BIG BANG COSMOLOGY
    M. Maggiore, Nucl. Phys. B 525, 413 (1998).
  21. REPULSIVE GRAVITY IN THE VERY EARLY UNIVERSE
    M. Gasperini, Gen. Rel. Grav. 30, 1703 (1998)

    Awarded the "Fourth Prize" in the 1998 Awards for Essays on Gravitation (Gravity Reserach Foundation, Wellesley Hills, Ma).

  22. NONSINGULAR DILATON COSMOLOGY
    R. Brandenberger, R. Easther and J. Maia, JHEP 9808, 007 (1998).
  23. D-BRANES AND COSMOLOGY
    M. Maggiore and A. Riotto, Nucl. Phys. B 548, 427 (1999)
  24. DUALITIES VERSUS SINGULARITIES
    T. Banks, W. Fischler and L. Motl, JHEP 9901, 019 (1999).
  25. SINGULARITY-FREE DILATON-DRIVEN COSMOLOGIES AND PRE-LITTLE BANG
    M. Giovannini, Phys. Rev. D 59, 083511 (1999).
  26. LOOP CORRECTIONS AND GRACEFUL EXIT IN STRING COSMOLOGY
    S. Foffa, M. Maggiore and R. Sturani, Nucl. Phys. B 552, 395 (1999).
  27. LOOKING BACK IN TIME BEYOND THE BIG BANG
    M. Gasperini, Mod. Phys. Lett. A 14, 1059 (1999).
  28. NONSINGULAR DILATON COSMOLOGY IN THE STRING FRAME
    D. A. Easson and R. Brandenberger, JHEP 9909, 003 (1999).
  29. M-THEORY RESOLUTION OF FOUR-DIMENSIONAL COSMOLOGICAL SINGULARITIES VIA U-DUALITY
    A. Feinstein and M. A. Vazquez-Mozo, Nucl. Phys. B568, 405 (2000).
  30. NON-SINGULAR STRING-COSMOLOGIES FROM EXACT CONFORMAL STRING THEORIES
    H. J. De Vega, A. L. Larsen and N. Sanchez, Phys. Rev. D 61, 066003 (2000).
  31. BACK-REACTION TO DILATON-DRIVEN INFLATION
    A. Gosh, R. Madden and G. Veneziano, Nucl. Phys. B570, 207 (2000).
  32. THE GRACEFUL EXIT IN STRING COSMOLOGY
    C. Cartier, E. J. Copeland and R. Madden, JHEP 0001, 035 (2000).
  33. USING THE DILATON POTENTIAL TO OBTAIN STRING COSMOLOGY SOLUTIONS
    G. F. R. Ellis, D. C. Roberts, D. Solomons and P. K. S. Dunsby, Phys. Rev. D 62, 084004 (2000).
  34. LOW-ENERGY GRACEFUL EXIT IN ANISOTROPIC STRING-COSMOLOGY BACKGROUNDS
    G. De Risi and M. Gasperini, Phys. Lett. B 521, 335 (2001).
  35. NON-SINGULAR STRING COSMOLOGIES FROM EXACT CONFORMAL FIELD THEORIES
    H. J. de Vega , A. L. Larsen and N. Sanchez, Nucl.Phys.B. (Proc. Suppl.) 102&103, 201 (2001).
  36. BOUNCING PRE-BIG BANG ON THE BRANE
    S. Foffa, Phys. Rev. D68, 043511 (2003).
  37. HEATING UP THE COLD BOUNCE
    M. Giovannini, Class. Quantum Grav. 21, 4209 (2004).
  38. GRACEFUL EXIT VIA POLYMERIZATION OF PRE-BIG BANG COSMOLOGY
    G. De Risi, R. Maartens and P. Singh, Phys. Rev. D (in press)

  39. Initial conditions

  40. INHOMOGENEOUS PRE-BIG BANG STRING COSMOLOGY
    G. Veneziano, Phys. Lett. B 406, 297 (1997).
  41. PRE-BIG BANG INFLATION REQUIRES FINE TUNING
    M. S. Turner and E. J. Weinberg, Phys. Rev. D 56, 4604 (1997).
  42. THE FINE TUNING PROBLEM IN PRE-BIG BANG INFLATION
    M. Maggiore and R. Sturani, Phys. Lett. B 415, 335 (1997).
  43. CLASSICAL INHOMOGENEITIES IN STRING COSMOLOGY
    A. Buonanno, K. A. Meissner, C. Ungarelli and G. Veneziano, Phys. Rev. D 57, 2543 (1988).
  44. PRE-BIG BANG REQUIRES THE UNIVERSE TO BE EXPONENTIALLY LARGE FROM THE VERY BEGINNING
    N. Kaloper, A. Linde and R. Bousso, Phys. Rev. D 59, 043508 (1999).
  45. A NUMERICAL SIMULATION OF PRE-BIG BANG COSMOLOGY
    J. Maharana, E. Onofri and G. Veneziano, JHEP 04, 004 (1998).
  46. EFFECTS OF ANISOTROPY AND SPATIAL CURVATURE ON THE PRE-BIG BANG SCENARIO
    D. Clancy, J. E. Lidsey and R. Tavakol, Phys. Rev. D 58, 44017 (1998).
  47. INITIAL CONDITIONS IN STRING COSMOLOGY
    D. Clancy, J. E. Lidsey and R. Tavakol, Phys. Rev. D59 , 063511 (1999).
  48. PRE-BIG BANG BUBBLES FROM THE GRAVITATIONAL INSTABILITY OF GENERIC STRING VACUA
    A. Buonanno, T. Damour and G. Veneziano, Nucl.Phys. B543, 275 (1999).
  49. INFLATION AND INITIAL CONDITIONS IN THE PRE-BIG BANG SCENARIO
    M. Gasperini, Phys. Rev. D61, 87301 (2000).
  50. ANISOTROPIC "HAIRS" IN STRING COSMOLOGY
    K. E. Kunze and R. Durrer, Class. Quantum Grav. 17, 2597 (2000).
  51. INITIAL CONDITIONS AND THE STRUCTURE OF THE SINGULARITY IN PRE-BIG BANG COSMOLOGY
    A. Feinstein, K. E. Kunze and M. A. Vazquez-Mozo, Class. Quantum Grav. 17, 3599 (2000).
  52. O(d,d)-INVARIANT COLLAPSE/INFLATION FROM COLLIDING SUPERSTRING WAVES
    V. Bozza and G. Veneziano, JHEP 0010, 35 (2000).
  53. NUMERICAL BLACK HOLE INTERIORS AND STRING COSMOLOGY INITIAL CONDITIONS
    R. Madden, JHEP 0101, 023 (2001).

D) Pre-big-bang scenario: phenomenological aspects

Gravitational radiation

  1. CONSTRAINTS ON INFLATION AT THE PLANCK SCALE FROM THE RELIC GRAVITON SPECTRUM
    M. Gasperini and M. Giovannini, Phys. Lett. B282, 36 (1992).
  2. GRAVITY WAVES FROM PRIMORDIAL DIMENSIONAL REDUCTION
    M. Gasperini and M. Giovannini, Class. Quantum Grav. 9, L137 (1992).
  3. DILATON CONTRIBUTIONS TO THE COSMIC GRAVITATIONAL WAVE BACKGROUND
    M. Gasperini and M. Giovannini, Phys. Rev. D47, 1519 (1993).
  4. METRIC PERTURBATIONS IN DILATON-DRIVEN INFLATION
    R. Brustein, M. Gasperini, M. Giovannini, V. F. Mukhanov and G. Veneziano, Phys. Rev. D51, 6744 (1995).
  5. RELIC GRAVITATIONAL WAVES FROM STRING COSMOLOGY
    R. Brustein, M. Gasperini, M. Giovannini and G. Veneziano, Phys. Lett. B361, 45 (1995).
  6. PEAK AND END POINT OF THE RELIC GRAVITON BACKGROUND IN STRING COSMOLOGY
    R. Brustein, M. Gasperini and G. Veneziano, Phys. Rev. D 55, 3882 (1997).
  7. UPPER LIMIT FOR A GRAVITATIONAL-WAVE STOCHASTIC BACKGRUND WITH THE EXPLORER AND NAUTILUS RESONANT DETECTORS
    P. Astone et al., Phys. Lett. B 385, 421 (1996).
  8. SPECTRUM OF RELIC GRAVITATIONAL WAVES IN STRING COSMOLOGY
    A. Buonanno, M. Maggiore and C. Ungarelli, Phys. Rev D 55, 3330 (1997).
  9. RELIC GRAVITONS FROM THE PRE- BIG BANG: WHAT WE KNOW AND WHAT WE DO NOT KNOW
    M. Gasperini, in "String theory in curved space times", edited by N. Sanchez (World Scientific, Singapore, 1998) p. 333.
  10. GRAVITON SPECTRA IN STRING COSMOLOGY
    M. Galluccio, M. Litterio and F. Occhionero, Phys. Rev. Lett. 79, 970 (1997).
  11. DETECTING RELIC GRAVITATIONAL RADIATION FROM STRING COSMOLOGY WITH LIGO
    B. Allen and R. Brustein, Phys. Rev. D 55, 3260 (1997).
  12. THE GRAVITON BACKGROUND AT EARLY TIMES IN STRING COSMOLOGY
    M. Maggiore, Phys. Rev. D56, 1320 (1997).
  13. TENSOR PERTURBATIONS IN HIGH-CURVATURE STRING BACKGROUNDS
    M. Gasperini, Phys. Rev. D56, 4815 (1997).
  14. BLACK HOLES AND GRAVITATIONAL WAVES IN STRING COSMOLOGY
    E. J. Copeland, A. R. Liddle, J. E. Lidsey and D. Wands, Phys. Rev. D 58, 63508 (1998).
  15. BLACK HOLES AND GRAVITATIONAL WAVES IN CONCERT: A PROBE OF SUPERSTRING COSMOLOGY
    E. J. Copeland, A. R. Liddle, J. E. Lidsey and D. Wands, Gen. Rel. Grav. 30, 1711 (1998).

    Awarded the "Fifth Prize" in the 1998 Awards for Essays on Gravitation (Gravity Reserach Foundation, Wellesley Hills, Ma).

  16. EARLY COSMOLOGY AND THE STOCHASTIC GRAVITATIONAL WAVE BACKGROUND
    L. E. Mendes and A. R. Liddle, Phy. Revi. D60, 063508 (1999).
  17. ARE PRE-BIG BANG MODELS FALSIFIABLE BY GRAVITATIONAL WAVE EXPERIMENTS?
    C. Ungarelli and A. Vecchio, PU-RCG/99/19 (November 1999), to appear in the Proceedings of the "Third Edoardo Amaldi Conference on Gravitational Waves" (CALTECH, Pasadena, July 1999).
  18. RESPONSE OF VIRGO DETECTORS TO PRE-BIG BANG GRAVITONS
    D. Babusci and M. Giovannini, Int. J. Mod. Phys. D 10, 477 (2001).
  19. RELIC GRAVITONS FROM NON-SINGULAR STRING COSMOLOGIES
    C. Cartier (October 2000), to appear in the Proceedings of CAPP2000, Verbier (July 2000), eds M. Shaposnikov et al. (American Institute of Physics publication).
  20. GRAVITATIONAL WAVES IN NON-SINGULAR STRING COSMOLOGIES
    C. Cartier, E. J. Copeland and M. Gasperini, Nucl. Phys. B607, 406 (2001).
  21. THE FATE OF CLASSICAL TENSOR INHOMOGENEITIES IN PRE-BIG BANG STRING COSMOLOGY
    A. Buonanno and T. Damour, Phys.Rev. D64, 043501 (2001).
  22. RELIC GRAVITONS ON KASNER-LIKE BRANE
    M. Cavaglia', G. De Risi and M. Gasperini, Phys. Lett. B 610, 9 (2005).
  23. ACCESSIBILITY OF THE PRE-BIG BANG MODELS TO LIGO
    V. Mandik and A. Buonanno, Phys. Rev. D73, 063008 (2006).
  24. CIRCULAR POLARIZATION OF PRIMORDIAL GRAVITATIONAL WAVES IN STRING-INSPIRED INFLATIONARY COSMOLOGY
    M. Satoh, S. Kanno and J. Soda, July 2007
  25. RELATING GRAVITATIONAL WAVE CONSTRAINTS FROM PRIMORDIAL NUCLEOSYNTHESIS, PULSAR TIMING, LASER INTERFEROMETERS, AND THE CMB IMPLICATIONS FOR THE EARLY UNIVERSE
    L. H. Boyle and A. Buonanno, August 2007.

  26. Scalar perturbations, dilatons and axions

  27. RELAXED BOUNDS ON THE DILATON MASS IN A STRING COSMOLOGY SCENARIO
    M. Gasperini, Phys. Lett. B327, 314 (1994)
  28. DILATON PRODUCTION IN STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Phys. Rev. D50, 2519 (1994).
  29. METRIC PERTURBATIONS IN DILATON-DRIVEN INFLATION
    R. Brustein, M. Gasperini, M. Giovannini, V. F. Mukhanov and G. Veneziano, Phys. Rev. D51, 6744 (1995).
  30. NORMAL MODES FOR METRIC OSCILLATIONS IN A CLASS OF HIGHER-DIMENSIONAL BACKGROUNDS
    M. Gasperini and M. Giovannini, Class. Quantum Grav. 14, 735 (1997).
  31. SCALAR AND TENSOR INHOMOGENEITIES FROM DIMENSIONAL DECOUPLING
    M. Giovannini, Phys. Rev. D55, 595 (1997).
  32. DENSITY SPECTRUMS FROM KINETIC INFLATIONS
    JAi-chan Hwang and H. Noh., Class. Quantum Grav. 15, 1387 (1998).
  33. VACUUM FLUCTUATIONS IN AXION-DILATON COSMOLOGIES
    E. J. Copeland, R. Easther and D. Wands, Phys. Rev. D56, 874 (1997).
  34. S-DUALITY INVARIANT PERTURBATIONS IN STRING COSMOLOGY
    E. J. Copeland, J. E. Lidsey and D. Wands, Nucl. Phys. B506, 407 (1997).
  35. QUANTUM INHOMOGENEITIES IN STRING COSMOLOGY
    A. Buonanno, K.A. Meissner, C. Ungarelli and G. Veneziano, JHEP 01, 004 (1998).
  36. SEEDS OF LARGE-SCALE ANISOTROPY IN STRING COSMOLOGY
    R. Durrer, M. Gasperini, M. Sakellariadou and G. Veneziano, Phys. Rev. D59, 043511 (1999).
  37. MASSLESS (PSEUDO-)SCALAR SEEDS OF CMB ANISOTROPY
    R. Durrer, M. Gasperini, M. Sakellariadou and G. Veneziano, Phys. Lett. B436, 66 (1998).
  38. CONSTRAINTS ON PRE-BIG BANG MODELS FOR SEEDING LARGE-SCALE ANISOTROPY BY MASSIVE KALB-RAMOND AXIONS
    M. Gasperini and G. Veneziano, Phys. Rev. D 59, 43503 (1999).
  39. QUANTUM FLUCTUATIONS IN OPEN PRE-BIG BANG COSMOLOGY
    A. Ghosh, G. Pollifrone and G. Veneziano, Phys. Lett. B 440, 20 (1998).
  40. AXION PERTURBATION SPECTRA IN STRING COSMOLOGY
    E. J. Copeland, J. E. Lidsey and D. Wands, Phys. Lett. B 443, 97 (1998).
  41. BLUE SPECTRA OF KALB-RAMOND AXIONS AND FULLY ANISOTROPIC STRING COSMOLOGIES
    M. Giovannini, Phys. Rev. D59, 063503 (1999).
  42. COSMIC MICROWAVE BACKGROUND ANISOTROPIES AND EXTRA DIMENSIONS IN STRING COSMOLOGY
    A. Melchiorri, F. Vernizzi, R. Durrer and G. Veneziano, Phys.Rev.Lett. 83 (1999) 4464-4467.
  43. ON THE RESPONSE OF GRAVITATIONAL ANTENNAS TO DILATONIC WAVES
    M. Gasperini, Phys. Lett. B 470, 67 (1999).
  44. SIGNAL-TO-NOISE RATIO FOR A STOCHASTIC BACKGROUND OF MASSIVE RELIC PARTICLES
    M. Gasperini, Phys. Lett. B 477, 242 (2000).
  45. KALB-RAMOND AXION PRODUCTION IN ANISOTROPIC STRING COSMOLOGIES
    R. Durrer and M. Sakellariadou, Phys.Rev. D62,123504 (2000).
  46. CMB ANISOTROPIES FROM PRE-BIG BANG COSMOLOGY
    F. Vernizzi, A. Melchiorri and R. Durrer, Phys.Rev. D63, 063501 (2001).
  47. DETECTING A RELIC BACKGROUND OF SCALAR WAVES WITH LIGO
    M. Gasperini and C. Ungarelli, Phys. Rev. D 64, 064009 (2001).
  48. EVOLUTION OF COSMOLOGICAL PERTURBATIONS IN NON-SINGULAR STRING COSMOLOGIES
    C. Cartier, J. C. Hwang and E. J. Copeland, Phys.Rev. D 64, 103504 (2001).
  49. LOCALIZATION OF SCALAR FLUCTUATIONS IN A DILATONIC BRANE-WORLD SCENARIO
    V. Bozza, M. Gasperini and G. Veneziano, Nucl. Phys. B 619, 191 (2001).
  50. SENSITIVITY OF SPHERICAL GRAVITATIONAL-WAVE DETECTORS TO A STOCHASTIC BACKGROUND OF NONRELATIVISTIC SCALAR RADIATION
    E. Coccia, M. Gasperini and C. Ungarelli, Phys. Rev. D 65, 067101 (2002).
  51. ADIABATIC CMB PERTURBATIONS IN PRE-BIG BANG STRING COSMOLOGY
    L. Enqvist and M. S. Sloth, Nucl. Phys. B626, 395 (2002).
  52. GENERATING THE CURVATURE PERTURBATION WITHOUT AN INFLATON
    D. H. Lyth and D. Wands, Phys. Lett. B524, 5 (2002).
  53. DENSITY PERTURBATIONS IN THE EKPYROTIC UNIVERSE AND STRING-INSPIRED GENERALIZATIONS
    S. Tsujikawa , Phys. Lett. B526, 179 (2002).
  54. ON THE GENERATION OF A SCALE-INVARIANT SPECTRUM OF ADIABATIC FLUCTUATIONS IN COSMOLOGICAL MODELS WITH A CONTRACTING PHASE
    F. Finelli and R. Brandenberger, Phys.Rev. D65, 103522 (2002).
  55. ADIABATIC PERTURBATIONS IN PRE-BIG BANG MODELS: MATCHING CONDITIONS AND SCALE INVARIANCE
    R. Durrer and F. Vernizzi , Phys. Rev. D66, 083503 (2002).
  56. ASSISTING PRE-BIG BANG PHENOMENOLOGY THROUGH SHORT-LIVED AXIONS
    V. Bozza, M. Gasperini, M. Giovannini and G. Veneziano, Phys. Lett. B543, 14 (2002).
  57. ON THE CONSTRUCTION OF NONSINGULAR PRE-BIG BANG AND EKPYROTIC COSMOLOGIES AND THE RESULTING DENSITY PERTURBATIONS
    S. Tsujikawa, R. Brandenberger and F. Finelli, Phys. Rev. D66, 083513 (2002).
  58. CONSTRAINTS ON PRE-BIG BANG PARAMETER SPACE FROM CMBR ANISOTROPIES
    V. Bozza, M. Gasperini, M. Giovannini and G. Veneziano, Phys. Rev. D 67, 063514 (2003).
  59. COSMOLOGICAL PERTURBATIONS AND THE TRANSITION FROM CONTRACTION TO EXPANSION
    C. Cartier, R. Durrer and E. J. Copeland, Phys. Rev. D67, 103517 (2003).
  60. PERTURBATIONS IN A NON-SINGULAR BOUNCING UNIVERSE
    M. Gasperini, M. Giovannini and G. Veneziano, Phys. Lett. B 569, 113 (2003)
  61. COSMOLOGICAL PERTURBATIONS ACROSS A CURVATURE BOUNCE
    M. Gasperini, M. Giovannini and G. Veneziano, Nuc. Phys. B694, 206 (2004).
  62. INFLATION IN STRING-INSPIRED COSMOLOGY AND SUPPRESSION OF CMB LOW MULTIPOLES
    Yun-Song Piao, S. Tsujikawa and X. Zhang, Class. Quantum Grav. 21, 4455 (2004).
  63. SCALAR PERTURBATIONS IN AN ALPHA'-REGULARIZED COSMOLOGICAL BOUNCE
    C. Cartier, January 2004.
  64. COSMOLOGICAL PERTURBATIONS TROUGH A SIMPLE BOUNCE
    L. E. Allen and D. Wands, Phys. Rev. D 70, 063515 (2004).
  65. SCALAR PERTURBATIONS IN REGULAR TWO-COMPONENT BOUNCING COSMOLOGIES
    V. Bozza and G. Veneziano, PLB 625, 177 (2005).
  66. CURVATURE PERTURBATIONS FROM DIMENSIONAL DECOUPLING
    M. Giovannini, Class. Quant. Grav. 22, 2201 (2005).
  67. RESPONSE OF THE COMMON MODE OF INTERFEROMETRIC DETECTORS TO A STOCHASTIC BACKGROUND OF MASSIVE SCALAR RADIATION
    N. Bonasia and M. Gasperini, Phys. Rev. D71, 104020 (2005).
  68. REGULAR TWO-COMPONENT BOUNCING COSMOLOGIES AND PERTURBATIONS THEREIN
    V. Bozza and G. Veneziano, JCAP 0509, 007 (2005).
  69. GENERAL SOLUTIONS FOR SCALAR PERTURBATIONS IN BOUNCING COSMOLOGIES
    V. Bozza, JCAP 0602, 009 (2006).
  70. DILATON COSMOLOGY AND PHENOMENOLOGY
    M. Gasperini, Contribution to the book: "String theory and fundamental interactions: celebrating Gabriele Veneziano on his 65th birthday", eds. M. Gasperini and J. Maharana (Lecture Notes in Physics, Springer-Verlag, Berlin/Heidelberg, 2007).

  71. Squeezing and entropy

  72. ENTROPY PRODUCTION IN THE COSMOLOGICAL AMPLIFICATION OF THE VACUUM FLUCTUATIONS
    M. Gasperini and M. Giovannini, Phys. Lett. B301, 334 (1993).
  73. QUANTUM SQUEEZING AND COSMOLOGICAL ENTROPY PRODUCTION
    M. Gasperini and M. Giovannini, Class. Quantum Grav. 10, L133 (1993).
  74. SQUEEZED THERMAL VACUUM AND THE MAXIMUM SCALE FOR INFLATION
    M. Gasperini, M. Giovannini and G. Veneziano, Phys. Rev. D48, R439 (1993).
  75. VON-NEUMANN AND SHANNON-WEHRL ENTROPY FOR SQUEEZED STATES AND COSMOLOGICAL PARTICLE PRODUCTION
    M. Gasperini and M. Giovannini, in "String theory in curved space times", edited by N. Sanchez (World Scientific, Singapore, 1998) p. 249.
  76. HOLOGRAPHIC PRINCIPLE AND STRING COSMOLOGY
    D. Bak and S. J. Rey, Class. Quant. Grav. 17, L1 (2000).
  77. PRE-BANGIAN ORIGIN OF OUR ENTROPY AND TIME ARROW
    G. Veneziano, Phys. Lett. B 454 , 22 (1999)
  78. COSMIC HOLOGRAPHY
    D. Bak and S. J. Rey, Class. Quant. Grav. 17, L83 (2000).
  79. GENERALIZED SECOND LAW IN STRING COSMOLOGY
    R. Brustein, S. Foffa and R. Sturani, Phys. Lett. B 471, 352 (2000)
  80. ENTROPY BOUNDS AND STRING COSMOLOGY
    G. Veneziano, Talk given in honour of F. Englert (Brussels, March 1999).
  81. ENTROPY GENERATION AND INFLATION IN WAVE COLLISION INDUCED PRE-BIG BANG COSMOLOGY
    A. Feinstein, K. A. Kunze and M. A. Vazquez-Mozo, Phys.Lett. B491, 190 (2000).

  82. Primordial magnetic fields and vector perturbations

  83. PRIMORDIAL MAGNETIC FIELDS FROM STRING COSMOLOGY
    M. Gasperini, M. Giovannini and G. Veneziano, Phys. Rev. Lett.75, 3796 (1995).
  84. PRIMORDIAL MAGNETIC FIELDS IN STRING COSMOLOGY
    D. Lemoine and M. Lemoine, Phys. Rev. D 52, 1955 (1995).
  85. ELECTROMAGNETIC ORIGIN OF THE CMB ANISOTROPY IN STRING COSMOLOGY
    M. Gasperini, M. Giovannini and G. Veneziano, Phys. Rev. D52, 6651 (1995).
  86. COSMIC MICROWAVE BACKGROUND POLARIZATION, FARADAY ROTATION, AND STOCHASTIC GRAVITY-WAVES BACKGROUNDS
    M. Giovannini, Phys. Rev. D 56, 3198 (1997).
  87. VECTOR PERTURBATIONS IN A CONTRACTING UNIVERSE
    T. J. Battefeld and R. Brandenberger, Phys. Rev. D70, 121302(R) (2004).
  88. VECTOR FLUCTUATIONS FROM MULTI-DIMENSIONAL CURVATURE BOUNCES
    M. Giovannini, Phys. Rev. D70 103509 (2004).
  89. ROTATIONAL INHOMOGENEITIES FROM PRE-BIG BANG?
    M. Giovannini, Class. Quant. Grav. 22, 363 (2005).
  90. OBSERVABLE (?) COSMOLOGICAL SIGNATURE OF SUPERSTRINGS IN PRE-BIG BANG MODELS OF INFLATION
    M. Gasperini and S. Nicotri, Phys. Lett. B 633, 155 (2006).

  91. Fermion production

  92. GRAVITATIONAL PRODUCTION OF GRAVITINOS
    M. Lemoine, Phys. Rev. D60, 103522 (1999).
  93. PRODUCTION OF FERMIONS IN MODELS OF STRING COSMOLOGY
    R. Brustein and M. Hadad, Phys. Lett. B 477, 263 (2000).
  94. MASSIVE FERMION PRODUCTION IN NONSINGULAR SUPERSTRING COSMOLOGY
    S. Tsujikawa and H. Yajima, Phys. Rev. D64, 023519 (2001).

  95. Reheating

  96. REHEATING AND DANGEROUS RELICS IN PRE-BIG BANG STRING COSMOLOGY
    A. Buonanno, M. Lemoine and K. A. Olive, Phys. Rev. D62, 083513 (2000).

  97. Quintessence

  98. DILATONIC INTERPRETATION OF THE QUINTESSENCE?
    M. Gasperini, Phys. Rev. D 64, 043510 (2001).
  99. QUINTESSENCE AS A RUN-AWAY DILATON
    M. Gasperini, F. Piazza and G. Veneziano, Phys. Rev. D 65, 023508 (2002).
  100. EARLY ACCELERATION AND ADIABATIC MATTER PERTURBATIONS IN A CLASS OF DILATONIC DARK-ENERGY MODELS
    L. Amendola, M. Gasperini, D. Tocchini-Valentini and C. Ungarelli, Phys. Rev. D67, 043512 (2003).
  101. TOWARDS A FUTURE SINGULARITY ?
    M. Gasperini, Int. J. Mod. Phys. D13, 2267 (2004).

    Essay written for the "2004 Awards for Essays on Gravitation" ((Gravity Research Foundation, MA, USA), and selected for HONORABLE MENTION.

  102. FITTING TYPE Ia SUPERNOVAE WITH COUPLED DARK ENERGY
    L. Amendola, M. Gasperini and F. Piazza, JCAP 09, 014 (2004).
  103. SNLS DATA ARE CONSISTENT WITH ACCELERATION AT $z \approx 3$
    L. Amendola, M. Gasperini and F. Piazza, Phys. Rev. D74, 127302 (2006).
  104. NON-LOCAL DILATON COUPLING TO DARK MATTER: COSMIC ACCELERATION AND PRESSURE BACKREACTION
    L. Amendola, M. Gasperini and C. Ungarelli, Preprint BA_TH/07-583.

E) Pre-big-bang scenario: quantum cosmology aspects

  1. GRACEFUL EXIT IN QUANTUM STRING COSMOLOGY
    M. Gasperini, J. Maharana and G. Veneziano, Nucl. Phys. B 472, 349 (1996).
  2. BIRTH OF THE UNIVERSE AS QUANTUM SCATTERING IN STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Gen. Rel. Grav. 28, 1301 (1996).

    Awarded the "Third Prize" in the 1996 Awards for Essays on Gravitation (Gravity Reserach Foundation, Wellesley Hills, Ma).

  3. O(d,d) SYMMETRY IN QUANTUM COSMOLOGY
    A. A. Kehagias and A. Lukas, Nucl. Phys. B477, 549 (1996).
  4. INFLATIONARY AND DEFLATIONARY BRANCHES IN EXTENDED PRE-BIG BANG COSMOLOGY
    James E. Lidsey, Phys. Rev. D55, 3303 (1997) .
  5. TIME GAUGE FIXING AND HILBERT SPACE IN QUANTUM STRING COSMOLOGY
    M. Cavaglia' and V. De Alfaro, Gen. Rel. Grav. 29, 773 (1997).
  6. EXPANDING AND CONTRACTING UNIVERSES IN THIRD QUANTIZED STRING COSMOLOGY
    A. Buonanno, M. Gasperini, M. Maggiore and C. Ungarelli, Class. Quantum Grav. 14, L97 (1997) .
  7. DECOHERENCE IN PRE-BIG BANG COSMOLOGY
    A. Lukas and R. Poppe, Mod. Phys. Lett. A12, 597 (1997).
  8. BOUNDARY CONDITIONS IN QUANTUM STRING COSMOLOGY
    M. Dabrowski and C. Kiefer, Phys. Lett. B397, 185 (1997).
  9. NOTES ON AXION, INFLATION AND GRACEFUL EXIT IN STRING COSMOLOGY
    J. Maharana, S. Mukherji and S. Panda, Mod. Phys.Lett. A12, 447 (1997).
  10. SCALAR FIELD FLUCTUATIONS IN PRE-BIG BANG COSMOLOGIES
    Z. Lalak and R. Poppe, Nucl. Phys. B507, 419 (1997).
  11. LOW-ENERGY QUANTUM STRING COSMOLOGY
    M. Gasperini, Int. J. Mod. Phys. A 13, 4779 (1998).
  12. DUALITY AND HIDDEN SUPERSYMMETRY IN STRING QUANTUM COSMOLOGY
    James E. Lidsey and J. Maharana, CERN-TH/98-22 (January 1998).
  13. CANONICAL AND PATH INTEGRAL QUANTIZATION OF STRING COSMOLOGY MODELS
    M. Cavaglia' and C. Ungarelli, Class. Quantum Grav. 16, 1401 (1999).
  14. BIRTH OF THE UNIVERSE AS ANTI-TUNNELLING FROM THE STRING PERTURBATIVE VACUUM
    M. Gasperini, Int. J. Mod. Phys. D 10, 15 (2001).
  15. GLOBAL PHASE TIME AND PATH INTEGRAL FOR STRING COSMOLOGICAL MODELS
    G. Giribet and C. Simeone, Mod.Phys.Lett. A16, 19 (2001).
  16. GRACEFUL EXIT FROM INFLATION USING QUANTUM COSMOLOGY
    N. Pinto-Neto and R. Colistete Jr., Phys. Lett. A290, 219 (2001).

F) Generalizations

Axion-dilaton models

  1. SCALE FACTOR DUALITY AND GENERAL TREANSFORMATIONS FOR STRING COSMOLOGY
    S. Capozziello and R. De Ritis, Int. J. Mod. Phys. D 2, 367 (1993).
  2. STRING KALUZA-KLEIN COSMOLOGY
    K. Behrndt and S. Forste, Nucl. Phys. B 430, 441 (1994).
  3. LOW-ENERGY EFFECTIVE STRING COSMOLOGY
    E. J. Copeland, A. Lahiri and D. Wands, Phys. Rev D50, 4868 (1994).
  4. STRING COSMOLOGY WITH A TIME-DEPENDENT ANTISYMMETRIC TENSOR POTENTIAL
    E. J. Copeland, A. Lahiri and D. Wands, Phys. Rev D51, 1569 (1995).
  5. SPATIALLY HOMOGENEOUS STRING COSMOLOGIES
    J. D. Barrow and K. Kunze, Phys. Rev D55, 623 (1997).
  6. KANTOWSKI-SACHS STRING COSMOLOGIES
    J. D. Barrow and M. P. Dabrowski, Phys. Rev D55, 630 (1997).
  7. VACUUM FLUCTUATIONS IN AXION-DILATON COSMOLOGIES
    E. J. Copeland, Richard Easther and David Wands, Phys. Rev. D56, 874 (1997).
  8. IS THERE CHAOS IN LOW-ENERGY STRING COSMOLOGY?
    J. D. Barrow and M. P. Dabrowski, Phys. Rev. D57, 7204 (1998).
  9. ANISOTROPIC STRING COSMOLOGY AT LARGE CURVATURES
    S. Foffa and M. Maggiore, Phys. Rev. D58, 023505 (1998).
  10. GODEL UNIVERSES IN STRING THEORY
    J. D. Barrow and M. P. Dabrowski, Phys. Rev. D 58, 103502 (1998).
  11. CAN THE TYPE-IIB AXION PREVENT PRE-BIG BANG INFLATION?
    A. Feinstein and M. A. VAzquez-Mozo, Phys. Lett. B 441, 40 (1998).
  12. FULLY ANISOTROPIC STRING COSMOLOGIES, MAXWELL FIELDS, AND PRIMORDIAL SHEAR
    M. Giovannini, Phys. Rev. D 59, 123518 (1999).
  13. STRING DILATON FLUID COSMOLOGIES
    S. Capozziello, G. Lambiase and R. Capaldo, Int. J. Mod. Phys. D 8, 213 (1999).
  14. QUALITATIVE ANALYSIS OF EARLY UNIVERSE COSMOLOGIES
    A. P. Billyard, A. A. Coley and J. E. Lidsey, J. Math. Phys. 40, 5092 (1999).
  15. ROTATION IN STRING COSMOLOGY
    Y. N. Obukhov, T. Chrobok and M. Scherfner, Class. Quantum Grav. 20, 1103 (2003).

  16. Ramond forms, M-theory and branes

  17. COSMOLOGICAL SOLUTIONS OF TYPE II STRING THEORY
    A. Lukas, B. A. Ovrut and D. Waldram, Phys. Lett. B 393, 65 (1997).
  18. STRINGY TODA COSMOLOGIES
    N. Kaloper, Phys. Rev. D 55, 3394 (1997).
  19. COSMOLOGICAL SOLUTIONS IN STRING THEORY
    H. Lu, S. Mukherji, C. N. Pope and K.-W. Xu, Phys. Rev. D55, 7926 (1997).
  20. STRING KALUZA-KLEIN COSMOLOGIES WITH RR-FIELDS
    R. Poppe and S. Schwager, Phys. Lett. B 393, 51 (1997).
  21. STRING AND M-THEORY COSMOLOGICAL SOLUTIONS WITH RAMOND FORMS
    A. Lukas, B. A. Ovrut and D. Waldram, Nucl.Phys. B495, 365 (1997) .
  22. COSMOLOGY OF THE TYPE IIB SUPERSTRING
    E. J. Copeland, James E. Lidsey and David Wands, Phys. Rev. D57, 625 (1998).
  23. U-DUALITY COVARIANT M-THEORY COSMOLOGY
    A. Lukas and B. A. Ovrut, Phys. Lett. B 437, 291 (1998).
  24. COS(M)OLOGICAL SOLUTIONS IN M- AND STRING THEORY
    N. Kaloper, I. I. Kogan and K. A. Olive, Phys. Rev. D57, 7340 (1998).
  25. D-BRANES, STRING COSMOLOGY AND LARGE EXTRA DIMENSIONS
    A. Riotto, Phys. Rev. D61, 123506 (2000).
  26. TOWARDS SUPERSYMMETRIC COSMOLOGY IN M-THEORY
    K. A. Meissner and M. Olechowski, Phys. Lett. B480, 312 (2000).
  27. CHAOS IN SUPERSTRING COSMOLOGY
    T. Damour and M. Henneaux, Phys. Rev. Lett. 85, 920 (2000).
  28. SUPERGRAVITY BRANE COSMOLOGIES
    J. E. Lidsey, Phys. Rev. D62, 083515 (2000).
  29. CANONICAL AND QUANTUM FRW COSMOLOGICAL SOLUTIONS IN M-THEORY
    M. Cavaglia' and P. V. Moniz, Class. Quantum Grav. 18, 95 (2001).
  30. HETEROTIC M-THEORY COSMOLOGY IN FOUR AND FIVE DIMENSIONS
    M. Brandle, A. Lukas and B. A. Ovrut, Phys.Rev. D63, 026003 (2001).
  31. E10, BE10 AND ARITHMETICAL CHAOS IN SUPERSTRING COSMOLOGY
    T. Damour and M. Henneaux, Phys.Rev.Lett. 86, 4749 (2001).
  32. PRE-BIG BANG IN M-THEORY
    M. Cavaglia', Class. Quantum Grav. 18, 1355 (2001).
  33. THE EKPYROTIC UNIVERSE: COLLIDING BRANES AND THE ORIGIN OF THE HOT BIG BANG
    J. Khoury, B. A. Ovrut, P.J. Steinhardt and N. Turok, Phys. Rev. D64, 123522 (2001).
  34. BRANE BIG-BANG BROUGHT BY BULK BUBBLE
    U. Gen, A. Ishibashi and T. Tanaka, Phys. Rev. D66, 023519 (2002).
  35. BRANE GAS COSMOLOGY AND LOITERING
    D. A. Easson, MCGILL 01-24, in Proc. COSMO-01 Workshop, Rovaniemi (August 2001)
  36. PRE-BIG BANG ON THE BRANE
    S. Foffa, Phys. Rev. D66, 0635120 (2002).
  37. ISOTROPIZATION IN BRANE GAS COSMOLOGY
    S. Watson and R. Brandenberger, Phys. Rev. D67, 043510 (2003).
  38. PRE-BIG BANG SCENARIO ON SELF-T-DUAL BOUNCING BRANES
    M. Rinaldi and P. Watts, JCAP 0503, 006 (2005).

  39. Inhomogeneous models

  40. BOOSTING AWAY SINGULARITIES FROM CONFORMAL STRING BACKGROUNDS
    M. Gasperini, J. Maharana and G. Veneziano, Phys. Lett. B296, 51 (1992).
  41. INHOMOGENEOUS STRING COSMOLOGIES
    J. D. Barrow and K. E. Kunze, Phys. Rev. D56, 741 (1997).
  42. INHOMOGENEOUS PRE-BIG BANG STRING COSMOLOGY
    G. Veneziano, Phys. Lett. B 406, 297 (1997).
  43. CLOSED INHOMOGENEOUS STRING COSMOLOGIES
    A. Feinstein, R. Lazkoz and M. A. Vazquez-Mozo, Phys. Rev. D56, 5166 (1997).
  44. CLASSICAL INHOMOGENEITIES IN STRING COSMOLOGY
    A. Buonanno, K. A. Meissner, C. Ungarelli and G. Veneziano, Phys. Rev. D 57, 2543 (1988).
  45. SPHERICAL CURVATURE INHOMOGENEITIES IN STRING COSMOLOGY
    J. D. Barrow and K. E. Kunze, Phys. Rev. D 57, 2255 (1998).
  46. REGULAR COSMOLOGICAL EXAMPLES OF TREE-LEVEL DILATON-DRIVEN MODELS
    M. Giovannini, Phys. Rev. D 57, 7223 (1998).
  47. NUMERICAL STUDY OF INHOMOGENEOUS PRE-BIG BANG INFLATIONARY COSMOLOGY
    T. Chiba, Phys. Rev. D59 , 083508 (1999).
  48. TILTED STRING COSMOLOGIES
    D. Clancy, A. Feinstein, J. E. Lidsey and R. Tavakol, Phys.Lett. B451, 303 (1999).
  49. MIRROR IMAGES OF STRING COSMOLOGIES
    J. E. Lidsey, Class. Quant. Grav. 15, L77 (1999).
  50. ASYMPTOTIC BEHAVIOUR OF INHOMOGENEOUS STRING COSMOLOGIES
    K. E. Kunze, Class.Quant.Grav. 16 (1999) 3795-3806.
  51. EXACT INHOMOGENEOUS EINSTEIN-MAXWELL-DILATON COSMOLOGIES
    S.S. Yazadjiev, Phys. Rev. D63, 063510 (2001).

G) Pre-big-bang scenario: review talks and lectures

  1. THE INFLATIONARY ROLE OF THE DILATON IN STRING COSMOLOGY
    M. Gasperini, in "Proc. of the First Int. Workshop on Birth of the Universe and Fundamental Physics" (Roma, May 1994), edited by F. Occhionero (Springer-Verlag, Berlin) p. 71
  2. PHENOMENOLOGICAL ASPECTS OF THE PRE-BIG-BANG SCENARIO IN STRING COSMOLOGY
    M. Gasperini, in "Proc. of the 2nd Journee Cosmologie" (Paris, June 1994), edited by N. Sanchez and H. de Vega (World Scientific, Singapore, 1995), p. 429.
  3. STRING, COSMOLOGY..... AND A PARTICLE
    G. Veneziano, in "PASCOS 94, Proc. of the Int. Symposium on Particles, Strings and Cosmology" (Siracuse, New York, 1994), edited by K. C. Wali (World Scientific, Singapore, 1995).
  4. AMPLIFICATION OF VACUUM FLUCTUATIONS IN STRING COSMOLOGY BACKGROUNDS
    M. Gasperini, in "Proc. of the Third Paris Cosmology Colloquium" (Paris, June 1995), edited by H. J. de Vega and N. Sanchez (World Scientific, Singapore, 1996), p.253.
  5. STRING COSMOLOGY: CONCEPTS AND CONSEQUENCES
    G. Veneziano, in "Proc. of the 4th Course of the Int. School of Astrophysics D. Chalonge on String Gravity and Physics at the Planck Energy Scale" (Erice, September 1995), edited by N. Sanchez and A. Zichichi (Kluwer Acad. Pub., Dordrecht, 1996), p. 285.
  6. STATUS OF STRING COSMOLOGY: PHENOMENOLOGICAL ASPECTS
    M. Gasperini, in "Proc. of the 4th Course of the Int. School of Astrophysics D. Chalonge on String Gravity and Physics at the Planck Energy Scale" (Erice, September 1995), edited by N. Sanchez and A. Zichichi (Kluwer Acad. Pub., Dordrecht, 1996), p.305.
  7. STRING COSMOLOGY AND RELIC GRAVITATIONAL RADIATION
    G. Veneziano, in "Gravitational Waves: Sources and Detectors" (Cascina, 1996), ed. by I. Ciufolini and F. Fidecaro (World Scientific, Singapore, 1997), p. 133.
  8. RELIC GRAVITONS FROM THE PRE- BIG BANG: WHAT WE KNOW AND WHAT WE DO NOT KNOW
    M. Gasperini, in "String theory in curved space times", edited by N. Sanchez (World Scientific, Singapore, 1998) p. 333.
  9. RELIC DILATONS IN STRING COSMOLOGY
    M. Gasperini, in "Proc. of the 12th Italian Conference on Gen. Rel. and Gravitational Physics" (Rome, September 1996), ed. by M. Bassan et al. (World Scientific, Singapore, 1997), p. 181.
  10. BIRTH OF THE UNIVERSE IN STRING COSMOLOGY
    M. Gasperini, in Proc. of the Euroconference "Fourth Paris Cosmology Colloquium" (Observatoire de Paris, June 1997), ed. by H. J. De Vega and N. Sanchez (World Scientific, Singapore) p. 85.
  11. TESTING STRING COSMOLOGY WITH GRAVITY WAVE DETECTORS
    M. Gasperini, in "Proc. of the Second Edoardo Amaldi Conference on Gravitational Waves" (CERN, 1-4 July 1997), eds. E. Coccia et al. (World Scientific, Singapore, 1998), p. 62.
  12. A SIMPLE/SHORT INTRODUCTION TO PRE-BIG BANG PHYSICS/COSMOLOGY
    G. Veneziano, in Proc. of the 35th Course of the Erice School of Subnuclear Physics, "Highlights: 50 Years Later" (Erice, August 1997), edited by A. Zichichi.
  13. WEIGHING THE STRING MASS WITH THE COBE DATA
    M. Gasperini, in Proc. of the Euroconference "Fifth Paris Cosmology Colloquium" (Observatoire de Paris, June 1998), ed. by H. J. De Vega and N. Sanchez ((Observatoire de Paris Publications, 1999), p. 317.
  14. STRING COSMOLOGY
    J. D. Barrow and K. E. Kunze, Chaos Solitons Fractals 10, 257 (1999).
  15. INFLATING, WARMING UP, AND PROBING THE PRE-BANGIAN UNIVERSE
    G. Veneziano, CERN-TH/99-22 (February 1999), in Proc. of the 1998 Erice School on Subnuclear Physics, "From the Planck length to the Hubble Radius" (Erice, September 1998), edited by A. Zichichi.
  16. ELEMENTARY INTRODUCTION TO PRE-BIG BANG COSMOLOGY AND TO THE RELIC GRAVITON BACKGROUND
    M. Gasperini, in Proc. of the Second SIGRAV School on ``Gravitational Waves in Astrophysics, Comology and String Theory" (Villa Olmo, Como, 19-24 April 1999), eds. I Ciufolini et al., (IOP Publishing, Bristol, 2001), p.280.
  17. SUPERSTRING COSMOLOGY
    J. E. Lidsey, D. Wands and E. J. Copeland, Phys. Rep. 337, 343 (2000).
  18. STRING COSMOLOGY: THE PRE-BIG BANG SCENARIO
    G. Veneziano, in Proceedings of the LXXI Les Houches Summer School on ``The Primordial Universe", edited by P. Binetruy, R. Schaeffer, J. Silk and F. David (Springer-Verlag, Berlin, 2000), p. 581.
  19. STRING COSMOLOGY VERSUS STANDARD AND INFLATIONARY COSMOLOGY
    M. Gasperini, Class. Quantum. Grav. 17, R1 (2000).
  20. PRODUCTION AND DETECTION OF RELIC DILATONS IN STRING COSMOLOGY
    M. Gasperini, in Proc. of the "IX Marcel Grossmann Meeting" (Rome, July 2000), eds. V. G. Gurzadyan, R. Jantzen and R. Ruffini (World Scientific, Singapore, 2002), p. 1245.
  21. PARTICLE CREATION IN PRE-BIG BANG COSMOLOGY: THEORY AND OBSERVATIONAL CONSEQUENCES.
    R. Durrer, K. E. Kunze and M. Sakellariadou, New Astron.Rev. 46, 659 (2002).
  22. THE PROMISE OF STRING COSMOLOGY
    R. H. Brandenberger, APCTP Bulletin No. 6 (2001).
  23. SOME ASPECTS OF PRE-BIG BANG COSMOLOGY
    A. Feinstein, Lectures given at the "Fourth Mexicam School on Gravitation and Mathematical physics" (Huatulco, Mexico, 2000).
  24. THE PRE-BIG BANG SCENARIO IN STRING COSMOLOGY
    M. Gasperini and G. Veneziano, Phys. Rep. 373, 1 (2003).
  25. L'UNIVERSO PRIMA DEL BIG BANG. COSMOLOGIA E TEORIA DELLE STRINGHE
    M. Gasperini (Franco Muzzio Editore, Roma, Settembre 2002). Popular book (in Italian).
  26. LECTURES ON STRING/BRANE COSMOLOGY
    F. Quevedo, Class. Quant. Grav. 19, 5721 (2002).
  27. PHENOMENOLOGY OF THE RELIC DILATON BACKGROUND
    M. Gasperini, in Proc. of the "15th SIGRAV Conference on General Relativity and Gravitational Physics", Villa Mondragone (Roma), September 2002, eds. I. Ciufolini et al., Institute of Physics Conference Series 187 (Taylor & Francis, New York, London, 2006), p.475
  28. LATE-TIME EFFECTS OF PLANCK SCALE COSMOLOGY: DILATONIC INTERPRETATION OF THE DARK ENERGY FIELD
    M. Gasperini, in Proc. of the "International Conference on "Thinking, Observing and Mining the Universe" (Sorrento, September 2003), eds. G. Longo and G. Miele (World Scientific, Singapore, 2004), p. 153.
  29. PRIMORDIAL MAGNETIC SEEDS FROM STRING COSMOLOGY
    M. Gasperini, Astron. Nachr. 327, 399 (2006). Proc. of the Int. Conference on "The Origin and Evolution of Cosmic Magnetism", Bologna, 29 August -- 2 September 2005, eds. R. Beck, G. Brunetti, L. Feretti and B. Gaensler.
  30. STRING THEORY AND PRE-BIG BANG COSMOLOGY
    M. Gasperini and G. Veneziano, contribution to the book "Beyond the Big Bang", ed. by Ruediger Vaas (Frontier Collection Series, Springer-Verlag, Heidelberg, 2007).
  31. ELEMENTS OF STRING COSMOLOGY
    M. Gasperini (Cambridge University Press, Cambridge UK, July 2007). Textbook, 568 pages. See the presentation at:
  32. THE UNIVERSE BEFORE THE BIG BANG: COSMOLOGY AND STRING THEORY
    M. Gasperini (Springer-Verlag, Berlin Heidelberg, August 2008). Popular book, 208 pages, 34 illus. See the presentation at:

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