COEFFICIENTS OF THE 2ND VISCOSITY IN BULK LIQUID-HELIUM

被引:10
|
作者
UM, CI
JUN, CW
GEORGE, TF
机构
[1] WASHINGTON STATE UNIV,DEPT CHEM,PULLMAN,WA 99164
[2] UNIV KOREA,COLL SCI,DEPT PHYS,SEOUL 136701,SOUTH KOREA
[3] KYUNG NAM UNIV,COLL SCI,DEPT PHYS,MASAN 630701,SOUTH KOREA
[4] WASHINGTON STATE UNIV,DEPT PHYS,PULLMAN,WA 99164
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 09期
关键词
D O I
10.1103/PhysRevB.46.5746
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The coefficients of the second viscosity in bulk liquid helium are evaluated explicitly as a function of temperature via interactions between the anomalous excitation spectrums. The four coefficients of the second viscosity exhibit a T-1 dependence at low temperatures (well below 0.6 K), which is due to three-phonon processes originating from the anomalous dispersion at very low momenta and temperatures.
引用
收藏
页码:5746 / 5749
页数:4
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