On open string σ-model and noncommutative gauge fields

被引：25

作者：

Andreev, O ^{[1
]}

Dorn, H ^{[1
]}

机构：

[1] Humboldt Univ, Inst Phys, D-10115 Berlin, Germany

来源：

PHYSICS LETTERS B | 2000年 / 476卷 / 3-4期

基金：

俄罗斯基础研究基金会;

关键词：

sigma-models; strings; Yang-Mills theory;

D O I：

10.1016/S0370-2693(00)00138-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the ordinary and noncommutative Dirac-Born-Infeld theories within the open string sigma-model. First, we propose a renormalization scheme, hybrid point splitting regularization, that leads directly to the Seiberg-Witten description including the two-form Phi. We also show how such a form appears within the standard renormalization scheme just by some freedom in changing variables. Second, we propose a Wilson factor which has the noncommutative gauge invariance on the classical level and then compute the sigma-model partition function within one of the known renormalization scheme that preserves the noncommutative gauge invariance. As a result, we find the noncommutative Yang-Mills action, (C) 2000 Published by Elsevier Science B.V. Ail rights reserved.

引用

页码：402 / 410

页数：9

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