Bose-Einstein condensation in nonequilibrium systems |
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Authors: | H Haug H H Kranz |
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Institution: | 1. Institut für Theoretische Physik der Universit?t Frankfurt, Robert-Mayer-Strasse 8, D-6000, Frankfurt/Main 1, Federal Republic of Germany
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Abstract: | The properties of quantum statistically degenerate systems of Bosons which are created by an external pump field and decay within a finite lifetime are investigated by means of a Green's function treatment. These investigations help to understand the physical properties of such condensed Bose-systems as excitons, excitonic molecules and spin aligned hydrogen atoms. As an example, recent experiments by Hulin et al. on degenerate excitons in Cu2O are analyzed and a condensate fraction of about 5% is obtained. |
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