The refined topological vertex

被引：341

作者：

Iqbal, Amer ^{[1
]}

Kozcaz, Can ^{[2
]}

Vafa, Cumrun ^{[3
,4
]}

机构：

[1] DHA, Dept Phys, LUMS Sch Sci & Engn, Sector U, Lahore, Pakistan

[2] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[3] Harvard Univ, Jefferson Phys Lab, Cambridge, MA 02138 USA

[4] MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 10期

关键词：

Supersymmetric gauge theory; Topological Strings; STRINGS;

D O I：

10.1088/1126-6708/2009/10/069

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 define a refined topological vertex which depends in addition on a parameter, which physically corresponds to extending the self-dual graviphoton field strength to a more general configuration. Using this refined topological vertex we compute, using geometric engineering, a two-parameter (equivariant) instanton expansion of gauge theories which reproduce the results of Nekrasov. The refined vertex is also expected to be related to Khovanov knot invariants.

引用

页数：58

共 29 条

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