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

来源：

PHYSICS LETTERS B | 1995年 / 355卷 / 1-2期

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

页码：141 / 149

页数：9

共 36 条

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