D-brane instantons on the T6/Z3 orientifold

被引：73

作者：

Bianchi, Massimo ^{[1
]}

Fucito, Francesco

Morales, Jose F.

机构：

[1] Univ Roma Tor Vergata, Dipartimento Fis, Via Ricerca Sci, I-00133 Rome, Italy

[2] Ist Nazl Fis Nucl, Sezione Roma 2, I-00133 Rome, Italy

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2007年 / 07期

关键词：

brane dynamics in guage theories; solitons monopoles and instantons; nonperturbative effects; D-branes;

D O I：

10.1088/1126-6708/2007/07/038

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 give a detailed microscopic derivation of gauge and stringy instanton gen erated superpotentials for gauge theories living on D3-branes at Z(3)-orientifold singularities. Gauge instantons are generated by D(-1)-branes and lead to Affleck, Dine and Seiberg (ADS) like superpotentials in the effective N = 1 gauge theories with three generations of bifundamental and anti/symmetricmatter.Stringy instanton effects are generated by Euclidean ED3-branes wrapping four cycles onT(6)/Z(3).They give rise to Majorana masses,Yukawa couplings or non-renormalizable superpotentials depending on the gauge theory.Finally we determine the conditions under which ADS like superpotentials are generated in N = 1gauge theories with adjoints, fundamentals, symmetric and antisymmetric chiral matter.

引用

页数：25

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