Non-perturbative superpotentials in string theory

被引：416

作者：

Witten, E

机构：

[1] School of Natural Sciences, Institute for Advanced Study, Princeton, NJ 08540, Olden Lane

来源：

NUCLEAR PHYSICS B | 1996年 / 474卷 / 02期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0550-3213(96)00283-0

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：

The non-perturbative superpotential can be effectively calculated in M-theory compactification to three dimensions on a Calabi-Yau four-fold X. For certain X, the superpotential is identically zero, while for other X, a non-perturbative superpotential is generated. Using F-theory, these results carry over to certain Type IIB and heterotic string compactifications to four dimensions with N = 1 supersymmetry. In the heterotic string case, the non-perturbative superpotential can be interpreted as coming from space-time and world-sheet instantons; in many simple cases contributions come only from finitely many values of the instanton numbers.

引用

页码：343 / 360

页数：18

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