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：

暂无

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.

引用

页码：545 / 550

页数：5

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