The Nature of the Glassy Phase in 4He Crystals

被引：3
|
作者：
Antsygina, T. N. [1 ]
Poltavskaya, M. I. [1 ]
Chishko, K. A. [1 ]
机构：
[1] NAS Ukraine, B Verkin Phys & Technol Inst Low Temperatures, UA-61103 Kharkov, Ukraine
来源：
LOW TEMPERATURE PHYSICS | 2015年 / 41卷 / 08期
关键词：
PHONON; EXCITATIONS;
D O I：
10.1063/1.4929718
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A model of a close-packed polytype with a random stacking fault structure is used to interpret the anomalies of the thermodynamic properties of the disordered (glassy) phase in solid HCP He-4 in the so-called supersolid state. The temperature dependence of the phonon pressure is calculated theoretically, and compared to experimental data. A quantitative agreement between the theory and the experiment is achieved. (C) 2015 AIP Publishing LLC.
引用
收藏
页码：575 / 588
页数：14
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