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Quantum Simulation

Superradiant Switching, Quantum Hysteresis, and Oscillations in a Generalized Dicke Model

arXiv
Authors: Kevin Stitely, Stuart J Masson, Andrus Giraldo, Bernd Krauskopf, Scott Parkins

Year

2020

Paper ID

21948

Status

Preprint

Abstract Read

~2 min

Abstract Words

91

Citations

N/A

Abstract

We demonstrate quantum signatures of deterministic nonlinear dynamics in the transition to superradiance of a generalized open Dicke model with different coupling strengths for the co- and counter-rotating light-matter interaction terms. A first-order phase transition to coexisting normal and superradiant phases is observed, corresponding with the emergence of switching dynamics between these two phases, driven by quantum fluctuations. We show that this phase coexistence gives rise to a hysteresis loop also for the quantum mechanical system. Additionally, a transition to a superradiant oscillatory phase can be observed clearly in quantum simulations.

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  • We demonstrate quantum signatures of deterministic nonlinear dynamics in the transition to superradiance of a generalized open Dicke model with different coupling strengths for...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2007.13271 [2] arXiv https://arxiv.org/abs/2007.13271 [3] Publisher https://arxiv.org/abs/2007.13271

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