D-branes and Spinc structures

被引：6
|
作者：
Bryant, RL
Sharpe, E
机构：
[1] Duke Univ, Dept Math, Durham, NC 27708 USA
[2] Duke Univ, Dept Phys, Durham, NC 27708 USA
来源：
PHYSICS LETTERS B | 1999年 / 450卷 / 04期
关键词：
D O I：
10.1016/S0370-2693(99)00161-6
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It was recently pointed out by E. Witten that for a D-brane to consistently wrap a submanifold of some manifold, the normal bundle must admit a Spin(c) structure. We examine this constraint in the case of type II string compactifications with vanishing cosmological constant, and argue that in all such cases, the normal bundle to a supersymmetric cycle is automatically Spin(c). (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：353 / 357
页数：5
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