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Some general properties of the renormalized stress-energy tensor for static quantum states on (n+1)-dimensional spherically symmetric black holes

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      Abstract

      We study the renormalized stress-energy tensor (RSET) for static quantum states on (n+1)-dimensional, static, spherically symmetric black holes. By solving the conservation equations, we are able to write the stress-energy tensor in terms of a single unknown function of the radial co-ordinate, plus two arbitrary constants. Conditions for the stress-energy tensor to be regular at event horizons (including the extremal and ``ultra-extremal'' cases) are then derived using generalized Kruskal-like co-ordinates. These results should be useful for future calculations of the RSET for static quantum states on spherically symmetric black hole geometries in any number of space-time dimensions.

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      Journal
      08 May 2007
      2007-06-28
      0705.1131
      10.1007/s10714-007-0486-3
      Custom metadata
      Gen.Rel.Grav.39:1719-1734,2007
      9 pages, no figures, RevTeX4, references added, accepted for publication in General Relativity and Gravitation
      gr-qc

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