On the instability of a homogeneous state of a weakly interacting Bose gas under external cooling

被引：0
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作者：
R. B. Saptsov
机构：
[1] Russian Academy of Sciences,Landau Institute for Theoretical Physics
[2] Institut für Festkörperforschung,undefined
来源：
JETP Letters | 2008年 / 86卷
关键词：
47.50.Gj; 64.60.Ht; 67.40.Bz;
D O I：
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摘要：
The behavior of a weakly interacting Bose gas with a finite particle lifetime has been studied in the framework of hydrodynamic equations under the conditions of a constant mass and energy inflow in the presence of external cooling. A spatially homogeneous state of such a gas is shown to be unstable with respect to the formation of an inhomogeneous density structure. A possible connection of the present results with experiments [3, 4] is discussed.
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页码：687 / 691
页数：4
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