Time Crystal Clocks and their Performance
Understanding different aspects of time lies at the core of many areas in theoretical physics. Recent investigations have focused on the thermodynamics of time-keeping by studying the operation and performance of quantum clocks. Time Crystals are a novel quantum phase of matter that spontaneously breaks time‑translation invariance. Among them, Boundary Time Crystals exhibit stable and self-sustained oscillations in the long-time limit through the spontaneous breaking of continuous time-translation symmetry, making them natural candidates for high-precision clocks. This naturally raises the question: can they operate as reliable quantum clocks, and at what thermodynamic cost? These are the questions I will investigate in this talk.