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Higher order loop equations for A_r and D_r quiver matrix models | | Stefano Chiantese
; Albrecht Klemm
; Ingo Runkel
; | | Date: |
26 Nov 2003 | | Journal: | JHEP 0403 (2004) 033 | | Subject: | hep-th | | Abstract: | We use free boson techniques to investigate A-D-E-quiver matrix models. Certain higher spin fields in the free boson formulation give rise to higher order loop equations valid at finite N. These fields form a special kind of W-algebra, called Casimir algebra. We compute explicitly the loop equations for A_r and D_r quiver models and check that at large N they are related to a deformation of the corresponding singular Calabi-Yau geometry. | | Source: | arXiv, hep-th/0311258 | | Services: | Forum | Review | PDF | Favorites | |
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