An adapted strong coupling calculation in disordered solids yielding acoustic bistability

被引：1
|
作者：
Devaud, M
Boiteux, M
机构：
[1] CNRS,URA 0800,F-75700 PARIS,FRANCE
[2] UNIV PARIS 05,LAB PHYS BIOMED,F-75270 PARIS 06,FRANCE
来源：
PHYSICS LETTERS A | 1997年 / 231卷 / 5-6期
关键词：
glasses; TLS; phonons; bistability;
D O I：
10.1016/S0375-9601(97)00339-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider single well anharmonic oscillator like defects coupled to a perfect elastic medium, the coupling term being bilinear in the strain field and in the defect variables. The elastostatic self-interaction energy of the defects is negative and can turn efficiently the single well into a double well, giving a natural explanation for the existence of two level systems in glasses. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：424 / 428
页数：5
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