Counting fermionic zero modes on M5 with fluxes

被引：0

作者：

Kallosh, R ^{[1
]}

Kashani-Poor, AK

Tomasiello, A

机构：

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

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

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2005年 / 06期

关键词：

nonperturbative effects; M-theory; superstring vacua;

D O I：

暂无

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study the Dirac equation on an M5 brane wrapped on a divisor in a Calabi-Yau fourfold in the presence of background flux. We reduce the computation of the normal bundle U( 1) anomaly to counting the solutions of a finite-dimensional linear system on cohomology. This system depends on the choice of flux. In an example, we find that the presence of flux changes the anomaly and allows instanton corrections to the superpotential which would otherwise be absent.

引用

页数：14

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