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arXiv · 2005.07582

Chaotic spin-photonic states in an open periodically modulated quantum cavity

I. I. Yusipov·S. V. Denisov·M. V. Ivanchenko
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Abstract

When applied to dynamical systems, both classical and quantum, time periodic modulations can produce complex non-equilibrium states which are often termed 'chaotic`. Being well understood within the unitary Hamiltonian framework, this phenomenon is less explored in open quantum systems. Here we consider quantum chaotic state emerging in a leaky cavity, when an intracavity photonic mode is coherently pumped with the intensity varying periodically in time. We show that a single spin, when placed inside the cavity and coupled to the mode, can moderate transitions between regular and chaotic regimes -- that are identified by using quantum Lyapunov exponents -- and thus can be used to control the degree of chaos. In an experiment, these transitions can be detected by analyzing photon emission statistics.

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I. I. Yusipov, S. V. Denisov, M. V. Ivanchenko. 2020-05-15. Chaotic spin-photonic states in an open periodically modulated quantum cavity. https://doi.org/10.1063/5.0030260

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