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IIB Matrix Model with D1-D5 Backgrounds

Yusuke Kimura, Yoshihisa Kitazawa

hep-tharXiv:hep-th/9912258

Abstract

We consider IIB matrix model with D1-D5-brane backgrounds. Using the fact that noncommutative gauge theory on the D-branes can be obtained as twisted reduced model in IIB matrix model, we study two-dimensional gauge theory on D1-branes and D5-branes. Especially the spectrum of the zero modes in the off-diagonal parts is examined. We also consider the description of D1-branes as local excitations of gauge theory on D5-branes. Relation to supergravity solution is also discussed.

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