Non-Fermi-liquid behavior of quasi-one-dimensional pseudogap materials

被引：6

作者：

Bartosch, L ^{[1
]}

机构：

[1] Goethe Univ Frankfurt, Inst Theoret Phys, D-60054 Frankfurt, Germany

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.90.076404

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the spectral function of the pseudogap phase of quasi-one-dimensional charge density wave materials. Using a stochastic approach and emphasizing an exact treatment of non-Gaussian order parameter fluctuations we will go beyond a usual perturbative calculation. Our results give a good fit to angle-resolved photoemission spectroscopy data and explain the absence of the Fermi edge in charge density wave materials even above the Peierls transition, indicating non-Fermi-liquid behavior.

引用

页数：4

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