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F-term equations near Gepner points | Kentaro Hori
; Johannes Walcher
; | Date: |
26 Apr 2004 | Journal: | JHEP 0501 (2005) 008 | Subject: | hep-th | Abstract: | We study marginal deformations of B-type D-branes in Landau-Ginzburg orbifolds. The general setup of matrix factorizations allows for exact computations of F-term equations in the low-energy effective theory which are much simpler than in a corresponding geometric description. We present a number of obstructed and unobstructed examples in detail, including one in which a closed string modulus is obstructed by the presence of D-branes. In a certain example, we find a non-trivial global structure of the BRST operator on the moduli space of branes. | Source: | arXiv, hep-th/0404196 | Services: | Forum | Review | PDF | Favorites |
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