Excitations in a nonequilibrium Bose-Einstein condensate of exciton polaritons.
Phys Rev Lett
; 99(14): 140402, 2007 Oct 05.
Article
en En
| MEDLINE
| ID: mdl-17930649
We develop a mean-field theory of the dynamics of a nonequilibrium Bose-Einstein condensate of exciton polaritons in a semiconductor microcavity. The spectrum of elementary excitations around the stationary state is analytically studied by means of a generalized Gross-Pitaevskii equation. A diffusive behavior of the Goldstone mode is found in the spatially homogeneous case and new features are predicted for the Josephson effect in a two-well geometry.
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Colección:
01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Año:
2007
Tipo del documento:
Article
País de afiliación:
Bélgica
Pais de publicación:
Estados Unidos