Coherence time of the condensate of a weakly nonideal Bose gas |
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| Authors: | E A Titov |
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| Institution: | (1) Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 13/3, Novosibirsk, 630090, Russia;(2) Novosibirsk State Technical University, pr. K. Marksa 20, Novosibirsk, 630092, Russia |
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| Abstract: | A system of equations for the density matrix is derived to describe the condensate and quasi-particles of a weakly nonideal
spatially homogeneous Bose gas. The equations are used to find the distribution function of the number of particles and the
condensate coherence time. A numerical estimate is obtained for a temperature that is significantly lower than the transition
temperature.
Original Text ? Astro, Ltd., 2009. |
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