期刊
PHYSICAL REVIEW LETTERS
卷 125, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.093604
关键词
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资金
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [277625399-TRR 185, 277146847-CRC 1238, FOR1807]
- European Research Council (ERC) under the Horizon 2020 research and innovation programme [648166]
- Germany's Excellence Strategy Cluster of Excellence Matter and Light for Quantum Computing (ML4Q) [EXC 2004/1 390534769]
We investigate the full quantum evolution of ultracold interacting bosonic atoms on a chain and coupled to an optical cavity. Extending the time-dependent matrix product state techniques and the many-body adiabatic elimination technique to capture the global coupling to the cavity mode and the open nature of the cavity, we examine the long time behavior of the system beyond the mean-field elimination of the cavity field. We investigate the many-body steady states and the self-organization transition for a wide range of parameters. We show that in the self-organized phase the steady state consists in a mixture of the mean-field predicted density wave states and excited states with additional defects. In particular, for large dissipation strengths a steady state with a fully mixed atomic sector is obtained crucially different from the predicted mean-field state.
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