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
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.
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页数:4
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