THEORY OF ULTRASONIC ATTENUATION AND SECOND SOUND IN INSULATORS

被引：41

作者：

Kwok, P. C. ^{[1
]}

Martin, P. C. ^{[1
]}

Miller, P. B. ^{[2
]}

机构：

[1] Harvard Univ, Cambridge, MA 02138 USA

[2] IBM Watson Res Lab, Yorktown Hts, NY USA

来源：

SOLID STATE COMMUNICATIONS | 1965年 / 3卷 / 08期

关键词：

D O I：

10.1016/0038-1098(65)90287-5

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The properties of interacting phonons are determined in a unified fashion through a study of the displacement correlation function. Expressions for the attenuation are obtained at all frequencies and for different anharmonic mechanisms in insulators and helium. Second sound is shown to be an additional phonon mode at long wavelength.

引用

页码：181 / 184

页数：4

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