Journal
JOURNAL OF LOW TEMPERATURE PHYSICS
Volume 171, Issue 1-2, Pages 1-12Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10909-012-0854-6
Keywords
Bose-Einstein condensation; Photon condensation; Polariton condensation; Boltzmann equation; Nonequilibrium statistical mechanics; Coherence
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Funding
- National Science Foundation [DMR-1104383, DMR-1004406]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1104383] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205762] Funding Source: National Science Foundation
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Recent experiments with photons equilibrating inside a dye medium in a cavity have raised the question of whether Bose condensation can occur in a system with only incoherent interaction with phonons in a bath but without particle-particle interaction. Analytical calculations analogous to those done for a system with particle-particle interactions indicate that a system of bosons interacting only with incoherent phonons can indeed undergo Bose condensation and furthermore can exhibit spontaneous amplification of quantum coherence. We review the basic theory for these calculations.
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