3RD SOUND AND ENERGETICS IN HE-3-HE-4 MIXTURE FILMS

被引：19

作者：

SHELDON, PA

HALLOCK, RB

机构：

[1] Laboratory for Low Temperature Physics, Department of Physics Astronomy, University of Massachusetts at Amherst, Amherst

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.50.16082

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report measurements of the third-sound frequency and attenuation in a capacitive resonator as a function of temperature for various submonolayer densities of He3 (0.007n30.049 A-2) in a thin He4 film (n4=0.389 A-2), which result in a determination of the ground-state and first-excited-state energies for the He3 which are in good agreement with the energetics determined by NMR. Interesting features are seen in the temperature dependence of the frequency and phase of the third sound for 100<T<200 mK. © 1994 The American Physical Society.

引用

页码：16082 / 16085

页数：4

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