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arXiv · 0804.4470

Gauge/gravity duality and the interplay of various fractional branes

Riccardo Argurio·Francesco Benini·Matteo Bertolini·Cyril Closset·Stefano Cremonesi
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Abstract

We consider different types of fractional branes on a Z_2 orbifold of the conifold and analyze in detail the corresponding gauge/gravity duality. The gauge theory possesses a rich and varied dynamics, both in the UV and in the IR. We find the dual supergravity solution which contains both untwisted and twisted 3-form fluxes, related to what are known as deformation and N=2 fractional branes respectively. We analyze the resulting RG flow from the supergravity perspective, by developing an algorithm to easily extract it. We find hints of a generalization of the familiar cascade of Seiberg dualities due to a non-trivial interplay between the different types of fractional branes. We finally consider the IR behavior in several limits, where the dominant effective dynamics is either confining, in a Coulomb phase or runaway, and discuss the resolution of singularities in the dual geometric background.

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Riccardo Argurio, Francesco Benini, Matteo Bertolini, Cyril Closset, Stefano Cremonesi. 2008-11-13. Gauge/gravity duality and the interplay of various fractional branes. https://doi.org/10.1103/physrevd.78.046008

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