Spectrum and thermal fluctuations of a microcavity polariton Bose-Einstein condensate

Journal Article · Tue Jan 15 00:00:00 EST 2008 · Physical Review. B, Condensed Matter and Materials Physics

DOI:https://doi.org/10.1103/PHYSREVB.77.045304· OSTI ID:21070021

Sarchi, D; Savona, V ^[1]

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1. Institute of Theoretical Physics, Ecole Polytechnique Federale de Lausanne EPFL, CH-1015 Lausanne (Switzerland)

The Hartree-Fock-Popov theory of interacting Bose particles is developed, for modeling exciton-polaritons in semiconductor microcavities undergoing Bose-Einstein condensation. A self-consistent treatment of the linear exciton-photon coupling and of the exciton nonlinearity provides a thermal equilibrium description of the collective excitation spectrum, of the polariton energy shifts and of the phase diagram. Quantitative predictions support recent experimental findings.

• OSTI ID: 21070021
• Journal Information: Physical Review. B, Condensed Matter and Materials Physics, Vol. 77, Issue 4; Other Information: DOI: 10.1103/PhysRevB.77.045304; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1098-0121
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BOSE-EINSTEIN CONDENSATION
COLLECTIVE EXCITATIONS
COUPLING
EXCITONS
FLUCTUATIONS
HARTREE-FOCK METHOD
NONLINEAR PROBLEMS
PHASE DIAGRAMS
PHONONS
PHOTONS
POLARONS
SEMICONDUCTOR MATERIALS
SPECTRA
THERMAL EQUILIBRIUM