PRESSURE DIFFUSION AND SOUND-ABSORPTION IN SPIN-POLARIZED QUANTUM-SYSTEMS

被引：5
|
作者：
IVANOVA, KD [1 ]
MEYEROVICH, AE [1 ]
机构：
[1] MOSCOW PHYS PROBLEMS INST,MOSCOW 117334,USSR
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 1988年 / 72卷 / 5-6期
关键词：
Acoustic Waves - Absorption - Deuterium - Electronic Properties - Diffusion - Mathematical Models - Gases - Transport Properties - Hydrogen - Electronic Properties;
D O I：
10.1007/BF00682154
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Pressure diffusion and related phenomena are studied in the cases of Fermi liquids and dilute gases with arbitrary degree of quantum degeneracy. An equation is derived expressing the (spin) pressure diffusion ratio through partial viscosities of (spin) components of systems. The exact values of corresponding transport coefficients are given for the cases of spin polarized Boltzmann or degenerate quantum gases and spin-polarized Fermi liquids. The influence of surface slip effects on diffusion properties of spin-polarized quantum systems is discussed. The results may be used for gaseous and liquid 3He, 3He↑-4He solutions, gases H↑ and D↑, and other spin-polarized or binary quantum systems.
引用
收藏
页码：461 / 475
页数：15
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