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Aspects of Open-Closed Duality in a Background B-Field II | | S. Sarkar
; B. Sathiapalan
; | | Date: |
31 Jul 2005 | | Abstract: | It was shown in [hep-th/0503009], in the context of bosonic theory that the IR singular terms that arise as a result of integrating out high momentum modes in nonplanar diagrams of noncommutative gauge theory can be recovered from low lying tree-level closed string exchanges. This follows as a natural consequence of world-sheet open-closed string duality. Here using the same setup we study the phenomenon for noncommutative ${cal N}=2$ gauge theory realised on a $D_3$ fractional brane localised at the fixed point of $C^2/Z_2$. The IR singularities from the massless closed string exchanges are exactly equal to those coming from one-loop gauge theory. This is as a result of cancellation of all contributions from the massive modes. | | Source: | arXiv, hep-th/0508004 | | Services: | Forum | Review | PDF | Favorites | |
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