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Article overview
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Gravitational corrections in supersymmetric gauge theory and matrix models | | Albrecht Klemm
; Marcos Marino
; Stefan Theisen
; | | Date: |
22 Nov 2002 | | Journal: | JHEP 0303 (2003) 051 | | Subject: | hep-th | | Abstract: | Gravitational corrections in N=1 and N=2 supersymmetric gauge theories are obtained from topological string amplitudes. We show how they are recovered in matrix model computations. This provides a test of the proposal by Dijkgraaf and Vafa beyond the planar limit. Both, matrix model and topological string theory, are used to check a conjecture of Nekrasov concerning these gravitational couplings in Seiberg-Witten theory. Our analysis is performed for those gauge theories which are related to the cubic matrix model, i.e. pure SU(2) Seiberg-Witten theory and N=2 U(N) SYM broken to N=1 via a cubic superpotential. We outline the computation of the topological amplitudes for the local Calabi-Yau manifolds which are relevant for these two cases. | | Source: | arXiv, hep-th/0211216 | | Services: | Forum | Review | PDF | Favorites | |
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