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quant-ph2025
Classical vs quantum dynamics and the onset of chaos in a macrospin system
Haowei Fan, Vladimir Fal'ko, Xiao Li
We study a periodically driven macrospin system with anisotropic long-range interactions and collective dissipation, described by a Lindblad master equation. In the thermodynamic l…
quant-ph2025
Discrete time crystals enabled by Floquet strong Hilbert space fragmentation
Ling-Zhi Tang, Xiao Li, Z. D. Wang +1
Discrete time crystals (DTCs) are non-equilibrium phases of matter that break the discrete time-translation symmetry and is characterized by a robust subharmonic response in period…