1/N EXPANSION OF THE TOPOLOGICAL SUSCEPTIBILITY IN THE CPN-1 MODELS

被引：31

作者：

CAMPOSTRINI, M ^{[1
]}

ROSSI, P ^{[1
]}

机构：

[1] IST NAZL FIS NUCL,I-56126 PISA,ITALY

来源：

PHYSICS LETTERS B | 1991年 / 272卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(91)91835-J

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We compute the O(1/N2) correction to the topological susceptibility chi-t of the two-dimensional continuum CP(N-1) models. We define a measurable, 1/N expandable correlation length xi and evaluate the dimensionless ratio chi-t-xi-2 congruent-to (1/2-pi-N) (1-0.38/N). We also compute the second moment of the topological susceptibility.

引用

页码：305 / 312

页数：8

共 6 条

[1] CAMPOSTRINI M, IFUPTH2591 PIS PREPR
[2] CAMPOSTRINI M, IN PRESS INT J MOD A
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