ON THE EFFECTIVE GAUGE COUPLING-CONSTANT IN STRING THEORIES

被引：7

作者：

CASAS, JA ^{[1
]}

MUNOZ, C ^{[1
]}

机构：

[1] CERN,CH-1211 GENEVA 23,SWITZERLAND

来源：

PHYSICS LETTERS B | 1991年 / 271卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(91)91282-Z

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We extend to all orders previous one-loop modular invariance arguments for determining the form of the string threshold corrections to the gauge coupling constant. In this way we obtain vanishing higher-loop corrections as the most plausible possibility. We also discuss the phenomenological implications of the all order expressions for gauge couplings at the GUT scale and reexamine the form of the corresponding all order modular invariant gaugino condensation with and without matter.

引用

页码：85 / 90

页数：6

共 18 条

[1] NON-PERTURBATIVE ASPECTS IN SUPERSYMMETRIC GAUGE-THEORIES [J].