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.

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页码：6555 / 6558

页数：4

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