Chaotic spin-photonic states in an open periodically modulated quantum cavity
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2020
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| _version_ | 1866910492178513920 |
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| author | Yusipov, I. I. Denisov, S. V. Ivanchenko, M. V. |
| author_facet | Yusipov, I. I. Denisov, S. V. Ivanchenko, M. V. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2005_07582 |
| institution | arXiv |
| publishDate | 2020 |
| record_format | arxiv |
| spellingShingle | Chaotic spin-photonic states in an open periodically modulated quantum cavity Yusipov, I. I. Denisov, S. V. Ivanchenko, M. V. Quantum Physics Chaotic Dynamics 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. |
| title | Chaotic spin-photonic states in an open periodically modulated quantum cavity |
| topic | Quantum Physics Chaotic Dynamics |
| url | https://arxiv.org/abs/2005.07582 |