Holographic Description of AdS_2 Black Holes

  title={Holographic Description of AdS\_2 Black Holes},
  author={Alejandra Castro and Daniel Grumiller and Finn Larsen and Robert A. McNees},
  journal={arXiv: High Energy Physics - Theory},
We develop the holographic renormalization of AdS_2 gravity systematically. We find that a bulk Maxwell term necessitates a boundary mass term for the gauge field and verify that this unusual term is invariant under gauge transformations that preserve the boundary conditions. We determine the energy-momentum tensor and the central charge, recovering recent results by Hartman and Strominger. We show that our expressions are consistent with dimensional reduction of the AdS_3 energy-momentum… 
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