期刊
PHYSICAL REVIEW LETTERS
卷 119, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.067406
关键词
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资金
- CONACYT (Mexico) [251808]
- Ministry of Education (MOE) (Singapore) [2015-T2-1-055]
- Russian Foundation for Basic Research [15-59-30406 PT]
- DFG ICRC Project [TR 160]
- EPSRC Established Career Fellowship in Quantum Polaritonics
- [IBS-R024-D1]
We predict spontaneous generation of superfluid polariton currents in planar microcavities with lateral periodic modulation of both the potential and decay rate. A spontaneous breaking of spatial inversion symmetry of a polariton condensate emerges at a critical pumping, and the current direction is stochastically chosen. We analyze the stability of the current with respect to the fluctuations of the condensate. A peculiar spatial current domain structure emerges, where the current direction is switched at the domain walls, and the characteristic domain size and lifetime scale with the pumping power.
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