We examine universal properties exhibited by a condensed matter system that may help in designing quantum devices with enhanced coherent behaviors. For this purpose, we analyze a boundary field theory describing Y- shaped superconducting Josephson networks. We show that a new finite coupling stable infrared fixed point emerges in its phase diagram; we then explicitly evidence that, when engineered to operate near by this new fixed point, Y-shaped networks support two-level quantum systems, with frustration of entanglement with the environment.