The effect of thermal fluctuation on spectral function for the Tomonaga-Luttinger model

被引：15
|
作者：
Nakamura, N
Suzumura, Y
机构：
[1] Department of Physics, Nagoya University
来源：
PROGRESS OF THEORETICAL PHYSICS | 1997年 / 98卷 / 01期
关键词：
D O I：
10.1143/PTP.98.29
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We examine the spectral function of the single electron Green function at finite temperature for the Tomonaga-Luttinger model which consists of a mutual interaction with only forward scattering. The spectral weight, which is calculated as a function of the frequency with fixed wave number, shows that several peaks originating in the excitation spectra of charge and spin fluctuations merge into a single peak by the increase of temperature.
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页码：29 / 38
页数：10
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