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D-brane black holes: large-N limit and the effective string description

1997
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Physics Letters B
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We address the derivation of the effective conformal field theory description of the 5-dimensional black hole, modelled by a collection of D1- and D5- branes, from the corresponding low energy U(Q_1)xU(Q_5) gauge theory. Finite horizon size at weak coupling requires both Q_1 and Q_5 to be large. We derive the result in the moduli space approximation (say for Q_1>Q_5) and appeal to supersymmetry to argue its validity beyond weak coupling. As a result of a combination of quenched Z_{Q_1} Wilson

doi:10.1016/s0370-2693(97)00453-x
fatcat:nafxauizg5g63etgos4hhc3psi