Gauge-gravity correspondence in de Sitter braneworld

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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16 pages, 1 figure

Scientific paper

10.1103/PhysRevD.69.084003

We study the braneworld solutions based on a solvable model of 5d gauged supergravity with two scalars of conformal dimension three, which correspond to bilinear operators of fermions in the dual $\mathcal{N}=4$ super Yang-Mills theory on the boundary. An accelerating braneworld solution is obtained when both scalars are taken as the form of deformations of the super Yang-Mills theory and the bulk supersymmetry is broken. This solution is smoothly connected to the Poincare invariant brane in the limit of vanishing cosmological constant. The stability of this brane-solution and the correspondence to the gauge theory are addressed.

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