Approximate scaling relation for the anharmonic electron-phonon problem

被引：15

作者：

Freericks, JK ^{[1
]}

Zlatic, V

Jarrell, M

机构：

[1] Georgetown Univ, Dept Phys, Washington, DC 20057 USA

[2] Georgetown Univ, Dept Phys, Washington, DC 20057 USA

[3] Univ Zagreb, Inst Phys, Zagreb, Croatia

[4] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 02期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.61.R838

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An approximate scaling relation is found for the transition temperature to a charge-density-wave instability in the anharmonic electron-phonon problem, which maps a wide range of interaction strengths, anharmonicities, and phonon frequencies onto a common functional form. The relation employs the wave-function renormalization parameter and is valid even for systems that are not Fermi liquids.

引用

页码：R838 / R841

页数：4

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