Finite temperature spectral function of Mott insulators and charge density wave states

被引：35
|
作者：
Essler, FHL [1 ]
Tsvelik, AM [1 ]
机构：
[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 12期
关键词：
D O I：
10.1103/PhysRevLett.90.126401
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We calculate the low-temperature spectral function of one-dimensional incommensurate charge density wave states and half filled Mott insulators. At T = 0 there are two dispersing features associated with the spin and charge degrees of freedom, respectively. We show that already at very low temperatures ( compared to the gap) one of these features gets severely damped. We comment on implications of this result for photoemission experiments.
引用
收藏
页码：1 / 126401
页数：4
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