F-4 terms in N=4 string vacua

被引：72

作者：

Bachas, C ^{[1
]}

Kiritsis, E ^{[1
]}

机构：

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

来源：

NUCLEAR PHYSICS B | 1997年

关键词：

D O I：

10.1016/S0920-5632(97)00079-0

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：

We discuss F-mu nu(4) terms in torroidal compactifications of type-I and heterotic SO(32) string theory. We give a simple argument why only short BPS multiplets contribute to these terms at one loop, and verify heterotic-type-I duality to this order. Assuming exact duality, we exhibit in the heterotic calculation non-zero terms that are two-loop, three-loop and non-perturbative on the type-I side.

引用

页码：194 / 199

页数：6

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