Finite-temperature spectral functions of strongly correlated one-dimensional electron systems

被引：20
|
作者：
Penc, K
Serhan, M
机构：
[1] Max-Planck-Institut für Physik komplexer Systeme, Dresden, 01187
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.56.6555
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The spectral functions of tJ and tJ(XY) models in the limit of J/t-->0 and at finite temperatures T much less than t are calculated using the spin-charge factorized wave function. We find that the Luttinger-liquid-like scaling behavior for a finite system with L sites is restricted below temperatures of the order T less than or similar to J/L. We also observe a weight redistribution in the photoemission spectral function in the energy range t, which is much larger than the temperature.
引用
收藏
页码：6555 / 6558
页数：4
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