Dissipative Coefficients of Spin-Polarized Superfluid 3He

被引：0
|
作者：
T. Sato
J. J. Coleman
P. G. N. de Vegvar
H. Kojima
机构：
[1] Rutgers University,Serin Laboratory
来源：
Journal of Low Temperature Physics | 2002年 / 126卷
关键词：
Magnetic Field; Attenuation; Diffusion Coefficient; Magnetic Material; Attenuation Coefficient;
D O I：
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中图分类号：
学科分类号：
摘要：
The attenuation of second sound (spin-entropy) wave in superfluid A1-phase has been measured in magnetic fields up to 11 tesla and to sufficiently high frequency to observe the bulk attenuation proportional to the square of frequency. A comprehensive test on the existing theories of hydrodynamics and dissipative coefficients can be made with the measured attenuation coefficient. The spin diffusion coefficient plays a major role in the attenuation. The observed “excess” attenuation is discussed in terms of the temperature dependent spin diffusion coefficient in the superfluid.
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页码：545 / 550
页数：5
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