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Out-of-Time-Ordered Correlation in Anisotropic Dicke Model (2008.10253v1)
Published 24 Aug 2020 in cond-mat.quant-gas and cond-mat.mes-hall
Abstract: Out-of-time-ordered correlation (OTOC) functions have been used as an indicator of quantum chaos in a lot of physical systems. In this work, we computationally demonstrate that zerotemperature OTOC can detect quantum phase transition in anisotropic Dicke model. Phase diagram is given with OTOC. Finite-size effect is studied. Finally, temperature effect is discussed.
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