Entanglement entropy vs. free energy in IIB supergravity duals for 5d SCFTs
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Entanglement entropy vs. free energy in IIB supergravity duals for 5d SCFTs

  • Author(s): Gutperle, M
  • Marasinou, C
  • Trivella, A
  • Uhlemann, CF
  • et al.
Abstract

We study entanglement entropy and the free energy in recently constructed holographic duals for 5d SCFTs in type IIB supergravity. The solutions exhibit mild singularities, which could potentially complicate holographic applications. We use the relation of the entanglement entropy for a spherical entangling surface to the free energy of the field theory on the five sphere as a well-motivated benchmark to assess how problematic the singularities are. The holographic supergravity computations give well-defined results for both quantities and they satisfy the expected relations. This supports the interpretation of the solutions as holographic duals for 5d SCFTs and gives first quantitative indications for the nature of the dual SCFTs.

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