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We consider the dynamics of p anti-D3 branes inside the Klebanov-Strasslergeometry, the deformed conifold with M units of RR 3-form flux around the S^3.We find that for p<<M the system relaxes to a nonsupersymmetric NS 5-brane``giant graviton'' configuration, which is classically stable, but quantummechanically can tunnel to a nearby supersymmetric vacuum with M-p D3 branes.This decay mode is exponentially suppressed and proceeds via the nucleation ofan NS 5-brane bubble wall. We propose a dual field theory interpretation of thedecay as the transition between a nonsupersymmetric ``baryonic'' branch and asupersymmetric ``mesonic'' branch of the corresponding SU(2M-p)x SU(M-p) lowenergy gauge theory. The NS 5-brane tunneling process also provides a simpleexplanation of the geometric transition by which D3-branes can dissolve into3-form flux.Comment: 27 pages, 4 figures, typo correcte

Brane/flux annihilation and the string dual of a non-supersymmetric field theory