Abstract
We find the gravity dual of a marginal deformation of 
= 4 super Yang Mills, and discuss some of its properties. This
deformation is intimately connected with an SL(2,
)
symmetry of the gravity theory. The SL(2,)
transformation enables us to find the solutions in a simple way.
These field theory deformations, sometimes called β
deformations, can be viewed as arising from a star product. Our
method works for any theory that has a gravity dual with a U(1) × U(1) global symmetry which is realized
geometrically. These include the field theories that live on D3
branes at the conifold or other toric singularities, as well as
their cascading versions.
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