Finite-size fluctuations and photon statistics near the polariton condensation transition in a single-mode microcavity

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dc.creatorEastham, P. R.
dc.creatorLittlewood, P. B.
dc.date2005-11-29
dc.date2006-02-07
dc.date.accessioned2026-07-07T06:49:28Z
dc.date.available2026-07-07T06:49:28Z
dc.descriptionWe consider polariton condensation in a generalized Dicke model, describing a single-mode cavity containing quantum dots, and extend our previous mean-field theory to allow for finite-size fluctuations. Within the fluctuation-dominated regime the correlation functions differ from their (trivial) mean-field values. We argue that the low-energy physics of the model, which determines the photon statistics in this fluctuation-dominated crossover regime, is that of the (quantum) anharmonic oscillator. The photon statistics at the crossover are different in the high- and low- temperature limits. When the temperature is high enough for quantum effects to be neglected we recover behavior similar to that of a conventional laser. At low enough temperatures, however, we find qualitatively different behavior due to quantum effects.
dc.description12 pages, 5 figures. v2: Revised version with minor corrections (typos, added reference, correction in argument following Eq. 25). v3: further typos corrected
dc.identifierhttps://arxiv.org/abs/cond-mat/0511702
dc.identifierhttp://arxiv.org/abs/cond-mat/0511702
dc.identifierPhys. Rev. B 73, 085306 (2006)
dc.identifierdoi:10.1103/PhysRevB.73.085306
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/104355
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleFinite-size fluctuations and photon statistics near the polariton condensation transition in a single-mode microcavity
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