Analytical study derives conditions for ergodic infinite-temperature relaxation or robust discrete time crystal subharmonic oscillations in periodically kicked spin chains, depending on kicking protocol and initial state.
arXiv:2405.01641 , volume=
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The study finds that the spectral form factor in the closed Dicke model deviates from Poissonian expectations in the regular regime unless spin sizes are very large, while the dissipative spectral form factor in the open model with cavity damping shows robust quadratic dip-ramp-plateau behavior in a
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Ergodic and Discrete Time Crystal Phases in Periodically Kicked Many-Body Quantum Systems: An Analytical Study
Analytical study derives conditions for ergodic infinite-temperature relaxation or robust discrete time crystal subharmonic oscillations in periodically kicked spin chains, depending on kicking protocol and initial state.
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Comparative Study of Indicators of Chaos in the Closed and Open Dicke Model
The study finds that the spectral form factor in the closed Dicke model deviates from Poissonian expectations in the regular regime unless spin sizes are very large, while the dissipative spectral form factor in the open model with cavity damping shows robust quadratic dip-ramp-plateau behavior in a