期刊
PHYSICAL REVIEW LETTERS
卷 96, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.96.230602
关键词
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资金
- Engineering and Physical Sciences Research Council [GR/S92892/01] Funding Source: researchfish
We study spontaneous quantum coherence in an out of an equilibrium system, coupled to multiple baths describing pumping and decay. For a range of parameters describing coupling to, and occupation of the baths, a stable steady-state condensed solution exists. The presence of pumping and decay significantly modifies the spectra of phase fluctuations, leading to correlation functions that differ both from an isolated condensate and from a laser.
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