HIGHER GENUS STRING CORRECTIONS TO GAUGE COUPLINGS

被引：184
作者：
ANTONIADIS, I
NARAIN, KS
TAYLOR, TR
机构：
[1] INT CTR THEORET PHYS,I-34100 TRIESTE,ITALY
[2] NORTHEASTERN UNIV,DEPT PHYS,BOSTON,MA 02115
来源：
PHYSICS LETTERS B | 1991年 / 267卷 / 01期
关键词：
D O I：
10.1016/0370-2693(91)90521-Q
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Dependence of the gauge couplings on the moduli of the compactified space is studied for orbifold compactifications of the heterotic superstring. It is shown that such a dependence is possible only for theories with sectors preserving N = 2 spacetime supersymmetry, and it satisfies a non-renormalization theorem. Namely, it is given entirely at the one-loop level and is determined by the violation of the integrability of the THETA-angle with respect to the moduli.
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页码：37 / 45
页数：9
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