BOUND-STATES IN SCALAR FERMION YUKAWA LATTICE THEORY

被引：3

作者：

STEPHANOV, MA ^{[1
]}

机构：

[1] PN LEBEDEV PHYS INST,DEPT THEORET PHYS,LENINSKY PROSPECT 53,MOSCOW 117924,USSR

来源：

PHYSICS LETTERS B | 1991年 / 266卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(91)91067-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The U (1) scalar-fermion lattice theory with a strong Yukawa coupling is studied in the mean field approximation. It is shown that for large Yukawa coupling (Y2 > 1/2 d) the four-fermion amplitude has poles in some channels which correspond to bound states of a fermion-(anti)fermion pair that are neutral with respect to the U (1) charge and can carry a fermion number equal to 0 or +/- 2.

引用

页码：447 / 452

页数：6

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