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Thermodynamics and protection of discrete time crystals ![]() Auteur(s): Cenedese Gabriele, Mister Samuel, Antezza M., Benenti Giuliano, De Chiara G.
(Article) Publié:
Physical Review B, vol. 112 p.054303 (2025)
Texte intégral en Openaccess : Ref HAL: hal-05200165_v1 Ref Arxiv: 2503.15134 DOI: 10.1103/hl8q-4wy9 Ref. & Cit.: NASA ADS Exporter : BibTex | endNote Résumé: Discrete time crystals (DTCs) are a nonequilibrium phase of matter characterized by the breaking of time-translation symmetry in periodically driven quantum systems. In this work, we present a detailed thermodynamic analysis of a DTC in a one-dimensional spin-1/2 chain coupled to a thermal bath. We derive a master equation from the microscopic model, and we explore key thermodynamic quantities, such as work, heat, and entropy production. Our results reveal that the DTC signature inevitably decays in the presence of environmental noise, but we show that a periodic measurement scheme can mitigate the effects of decoherence, stabilizing the subharmonic oscillations of the DTC for extended periods. These findings provide insights into the robustness of time-crystalline phases and potential strategies for protecting them in experimental settings. |