LINEAR DIVERGENCE IN THE 2-DIMENSIONAL ISING SPIN SPIN CORRELATOR AND GAUGE-INVARIANCE

被引：3

作者：

NAON, CM

机构：

[1] Departamento de Fisica, Universidad Nacional de La Plata

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1990年 / 23卷 / 06期

关键词：

D O I：

10.1088/0305-4470/23/6/007

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The author considers the linear divergence which appears in field-theoretical computations of the 2D Ising spin-spin correlation function. By expressing the correlator in terms of fermionic determinant, the author shows that this divergence is connected with a certain gauge transformation of the fermion model. The author proves that if gauge invariance is preserved then the divergent term is not present in the final result.

引用

页码：L273 / L277

页数：5

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