String duality and modular forms

被引：27
|
作者：
Kawai, T
机构：
[1] Institute for Nuclear Study, University of Tokyo, Tanashi, Tokyo 188, Midori-cho
来源：
PHYSICS LETTERS B | 1997年 / 397卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(97)00146-9
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Tests of duality between heterotic strings on K3 x T-2 (restricted on certain Narain moduli subspaces) and type IIA strings on K3-fibered Calabi-Yau threefolds are attempted in the weak coupling regime on the heterotic side by identifying pertinent modular forms related to the computations of string threshold corrections. Concretely we discuss in parallel the three cases associated with Calabi-Yau manifolds (A) :X(6,2,2,1,1)(2)(-252), (B) :X(12,8,2,1,1)(3)(-480) and (C) :X(10,3,3,2,2)(4)(-132) on the type IIA side. (C) 1997 Published by Elsevier Science B.V.
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页码：51 / 62
页数：12
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