ON ORIGIN OF THE LOW-TEMPERATURE, LOW-FREQUENCY DIELECTRIC SUSCEPTIBILITY PEAK IN CHARGE AND SPIN-DENSITY WAVES

被引:33
作者
LARKIN, A [1 ]
BRAZOVSKII, S [1 ]
机构
[1] WEIZMANN INST SCI,REHOVOT,ISRAEL
关键词
DIELECTRIC RESPONSE; DISORDERED SYSTEMS; POINT DEFECTS; DISLOCATIONS AND DISCLINATIONS; TUNNELING;
D O I
10.1016/0038-1098(94)00749-7
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We suggest a theory for the recently observed frequency dependent low temperature anomaly of the dielectric susceptibility epsilon in Charge and Spin Density Waves, emphasizing interference of collective and local type of pinning. The local pinning is characterized by metastable plastic deformations: neutral bisolitons or pairs of dislocation loops. The weak collective pinning is governed by the elasticity hardening due to Coulomb interaction.
引用
收藏
页码:275 / 279
页数:5
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