Equations of Two-Fluid Hydrodynamics in the Hubbard Model

被引：1
|
作者：
Zaitsev, R. O. [1 ]
机构：
[1] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2010年 / 110卷 / 04期
关键词：
SUPERCONDUCTIVITY;
D O I：
10.1134/S1063776110040060
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A set of equations is obtained using stationary and nonstationary superconductivity theories in terms of the Hubbard model. The equations near T(c) and for a weak magnetic field have the general form of superconductivity equations with a strongly anisotropic Fermi surface. Calculations are performed using a kinetic equation for quasiparticles. The low-temperature collective excitations in a superconductor are studied. An explicit relationship for the temperature dependence of second sound is obtained.
引用
收藏
页码：594 / 603
页数：10
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