SCATTERING OF COMPOSITE GOLDSTONE BOSONS IN A RENORMALIZABLE QFT

被引：5

作者：

ROSENSTEIN, B ^{[1
]}

WARR, BJ ^{[1
]}

机构：

[1] UNIV TEXAS, DEPT PHYS, THEORY GRP, AUSTIN, TX 78712 USA

来源：

NUCLEAR PHYSICS B | 1990年 / 335卷 / 02期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0550-3213(90)90494-X

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We calculate the scattering amplitudes of composite Goldstone bosons in the (2+1)-dimensional four-Fermi model, using the technique of 1/N expansion. The Goldstone bosons correspond to the symmetry breaking pattern UL(n)×UR(n)→U(n). The effective lagrangian describing the low-energy scattering is explicitly derived. We also compute the effects of explicit symmetry breaking parameters. Unitary in the context of the 1/N expansion is analyzed in some detail. © 1990.

引用

页码：288 / 300

页数：13

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