Nonlinear Schrodinger equation and superfluid hydrodynamics

被引：41
作者：
Coste, C [1 ]
机构：
[1] Ecole Normale Super Lyon, Phys Lab, URA CNRS 1325, F-69364 Lyon, France
来源：
EUROPEAN PHYSICAL JOURNAL B | 1998年 / 1卷 / 02期
关键词：
D O I：
10.1007/s100510050178
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We show that it is possible to generalize the Gross-Pitaevskii equation describing superfluidity in order to recover the two-fluid model; in the hydrodynamic limit, when the deviations from the equilibrium state are of long wavelength. When short distances are relevant, it is possible to keep trace of the purely quantum, non-hydrodynamic term of the Gross-Pitaevskii equation: so that the Hills-Roberts model, which describes the healing phenomenon, is finally obtained.
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页码：245 / 253
页数：9
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