CHIRAL SYMMETRY, WARD-TAKAHASHI IDENTITIES AND MASS-SPECTRA IN (2+1) DIMENSIONAL CHIRAL GROSS-NEVEU MODEL

被引：0
|
作者：
SHEN, K
QIU, ZP
机构：
来源：
HIGH ENERGY PHYSICS & NUCLEAR PHYSICS-ENGLISH EDITION | 1991年 / 15卷 / 04期
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Chiral Ward-Takahashi identities with composite fields are applied to investigate mass spectra in (2 + 1) dimensional chiral gross-Neveu model. The fermion mass and bound state spectra are obtained, which are in agreement with large-N expansion in the lowest approximation. When the chiral symmetry is an approximate one, we obtain the PCAC.
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页码：401 / 410
页数：10
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