Anomalous spectral function of the 1D and 2D t-J models

被引：1
|
作者：
Tohyama, T
Maekawa, S
机构：
[1] NAGOYA UNIV,DEPT APPL PHYS,NAGOYA,AICHI 46401,JAPAN
[2] TOHOKU UNIV,INST MAT RES,SENDAI,MIYAGI 98077,JAPAN
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 1996年 / 46卷
关键词：
D O I：
10.1007/BF02570968
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The spectral function of the one-dimensional (1D) and two-dimensional (2D) t-J models is examined in connection with spin and charge dynamics by using the exact diagonalization technique. Near half filling, the spectral functions in 2D reveal a two-peak structure which is due to different dynamics of spin and charge degrees of freedom. This is compared with the behavior of the spectral function in 1D, and the implication of the result is discussed.
引用
收藏
页码：1953 / 1954
页数：2
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