Nonequilibrium quantum condensation in an incoherently pumped dissipative system

M. H. Szymanska; Jonathan Mark James Keeling; P. B. Littlewood

doi:10.1103/PhysRevLett.96.230602

Nonequilibrium quantum condensation in an incoherently pumped dissipative system

M. H. Szymanska, Jonathan Mark James Keeling, P. B. Littlewood

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	230602
Number of pages	4
Journal	Physical Review Letters
Volume	96
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.96.230602
Publication status	Published - 16 Jun 2006

Keywords

BOSE-EINSTEIN CONDENSATION
SEMICONDUCTOR MICROCAVITY
EXCITONS

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10.1103/PhysRevLett.96.230602

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abstract = "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.",

keywords = "BOSE-EINSTEIN CONDENSATION, SEMICONDUCTOR MICROCAVITY, EXCITONS",

author = "Szymanska, \{M. H.\} and Keeling, \{Jonathan Mark James\} and Littlewood, \{P. B.\}",

year = "2006",

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AU - Littlewood, P. B.

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N2 - 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.

AB - 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.

KW - BOSE-EINSTEIN CONDENSATION

KW - SEMICONDUCTOR MICROCAVITY

KW - EXCITONS

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JO - Physical Review Letters

JF - Physical Review Letters

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ER -

Nonequilibrium quantum condensation in an incoherently pumped dissipative system

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Keywords

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