String expansion as large N expansion of gauge theories

被引：163

作者：

Bershadsky, M ^{[1
]}

Kakushadze, Z

Vafa, C

机构：

[1] Harvard Univ, Lyman Lab Phys, Cambridge, MA 02138 USA

[2] Northeastern Univ, Dept Phys, Boston, MA 02115 USA

来源：

NUCLEAR PHYSICS B | 1998年 / 523卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0550-3213(98)00272-7

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 consider string perturbative expansion in the presence of D-branes imbedded in orbifolded space-time. In the regime where the string coupling is weak and alpha' --> 0, the string perturbative expansion coincides with 't Hooft's large N expansion. We specifically concentrate on theories with d = 4 and N = 0, 1, 2, 4, and use world-sheet orbifold techniques to prove vanishing theorems for the field theory beta-functions to all orders in perturbation theory in the large N limit. This is in accord with recent predictions. (C) 1998 Elsevier Science B.V.

引用

页码：59 / 72

页数：14