Abstract:
In this article we introduce a differential equation for the first order correlation function G (1) of a Bose-Einstein condensate at T = 0. The Bogoliubov approximation is used. Our approach points out directly the dependence on the physical parameters. Furthermore it suggests a numerical method to calculate G (1) without solving an eigenvector problem. The G (1) equation is generalized to the case of non zero temperature.
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Received 20 September 2000
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Montina, A., Arimondo, E. Correlation functions for a Bose-Einstein condensate in the Bogoliubov approximation. Eur. Phys. J. D 14, 105–110 (2001). https://doi.org/10.1007/s100530170241
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DOI: https://doi.org/10.1007/s100530170241