Computation of superpotentials for D-branes

被引：57

作者：

Aspinwall, PS ^{[1
]}

Katz, S

机构：

[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[2] Stanford Univ, SLAC, Stanford, CA 94305 USA

[3] Duke Univ, Ctr Geometry & Theoret Phys, Durham, NC 27708 USA

[4] Univ Illinois, Dept Math, Urbana, IL 61801 USA

[5] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

来源：

COMMUNICATIONS IN MATHEMATICAL PHYSICS | 2006年 / 264卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1007/s00220-006-1527-6

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a general method for the computation of tree-level superpotentials for the world-volume theory of B-type D-branes. This includes quiver gauge theories in the case that the D-brane is marginally stable. The technique involves analyzing the A(infinity)-structure inherent in the derived category of coherent sheaves. This effectively gives a practical method of computing correlation functions in holomorphic Chern-Simons theory. As an example, we give a more rigorous proof of previous results concerning 3-branes on certain singularities including conifolds. We also provide a new example.

引用

页码：227 / 253

页数：27

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