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Holography of D-Brane Reconnection

Abstract : Gukov, Martinec, Moore and Strominger found that the D1-D5-D5' system with the D5-D5' angle at 45 degrees admits a deformation "rho" preserving supersymmetry. Under this deformation, the D5-branes and D5'-branes reconnect along a single special Lagrangian manifold. We construct the near-horizon limit of this brane setup (for which no supergravity solution is currently known), imposing the requisite symmetries perturbatively in the deformation rho. Reducing to the three-dimensional effective gauged supergravity, we compute the scalar potential and verify the presence of a deformation with the expected properties. We compute the conformal dimensions as functions of rho. This spectrum naturally organizes into N=3 supermultiplets, corresponding to the 3/16 preserved by the brane system. We give some remarks on the symmetric orbifold CFT for Q_D5=Q_D5', outline the computation of rho-deformed correlators in this theory, and probe computations in our rho-deformed background.
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Submitted on : Thursday, January 4, 2007 - 1:40:26 PM
Last modification on : Saturday, November 6, 2021 - 6:38:03 PM
Long-term archiving on: : Tuesday, April 6, 2010 - 9:42:00 PM

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Henning Samtleben, Marcus Berg, Olaf Hohm. Holography of D-Brane Reconnection. Journal of High Energy Physics, Springer, 2007, 07 (04), pp.013. ⟨10.1088/1126-6708/2007/04/013⟩. ⟨ensl-00122693⟩

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