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
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
收藏
页码:194 / 199
页数:6
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