TOPOLOGICAL CHARGE ON THE LATTICE - THE 2D CPN-1 MODEL

被引：8

作者：

FARCHIONI, F ^{[1
]}

PAPA, A ^{[1
]}

机构：

[1] INFN,I-56126 PISA,ITALY

来源：

PHYSICS LETTERS B | 1993年 / 306卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(93)91145-D

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the first two non-zero terms in the perturbative expansion of the additive and multiplicative renormalizations of the topological susceptibility, chi, in the 2D CP(N-1) model, when a density of topological charge is defined as a local operator on the lattice. We compare our results with some direct determinations, by Monte Carlo techniques.

引用

页码：108 / 114

页数：7

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