U-DUALITY AND INTEGRAL STRUCTURES

被引:30
作者
ASPINWALL, PS [1 ]
MORRISON, DR [1 ]
机构
[1] CORNELL UNIV,DEPT MATH,ITHACA,NY 14853
基金
美国国家科学基金会;
关键词
D O I
10.1016/0370-2693(95)00745-7
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We analyze the U-duality group for the case of a type II superstring compactified to four dimensions on a K3 surface times a torus. The various limits of this theory are considered which have interpretations as type IIA and IIB superstrings, the heterotic string, and eleven-dimensional supergravity, allowing ail these theories to be directly related to each other. The integral structure which appears in the Ramond-Ramond sector of the type II superstring is related to the quantum cohomology of general Calabi-Yau threefolds which allows the moduli space of type II superstring compactifications on Calabi-Yau manifolds to be analyzed.
引用
收藏
页码:141 / 149
页数:9
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