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Journal Article

Gravity-scalar fluctuations in holographic RG flow geometries

MPS-Authors

Arutyunov,  Gleb
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Theisen,  Stefan
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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PhyLeB484-295.pdf
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Citation

Arutyunov, G., Frolov, S., & Theisen, S. (2000). Gravity-scalar fluctuations in holographic RG flow geometries. Physics Letters B, 484(3-4), 295-305. doi:10.1016/S0370-2693(00)00665-1.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-5714-6
Abstract
We study five-dimensional gravity models with non-vanishing background scalar fields which are dual to non-conformal boundary field theories. We develop a procedure to decouple the graviton fluctuations from the scalar ones and apply it to the simplest case of one scalar field. The quadratic action for the decoupled scalar fluctuations has a very simple form and can be used to compute two-point functions. We perform this computation for the two examples of background RG flow recently considered by DeWolfe and Freedman and find physically reasonable results.