SKYRMION EXCITATION IN THE INFINITE-U HUBBARD-MODEL

被引：0
作者：
NG, TK
机构：
[1] AT and T Bell Laboratories, Murray Hill
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.43.6210
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The energy of single Skyrmion excitation above the Nagaoka state is being studied numerically in the infinite-U Hubbard model in the limit of small concentration of holes. We find that the energy of a Skyrmion is low compared with energy of other spin excitations being studied, suggesting the Skyrmions may be important in describing the behavior of the infinite-U Hubbard model near half filling.
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页码：6210 / 6213
页数：4
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