2007
DOI: 10.1007/s10714-007-0486-3
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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

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. Th… Show more

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Cited by 12 publications
(9 citation statements)
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“…There has been some work on regularized vacuum polarization and regularized stress-energy tensors in higher dimensions in the literature, but the focus has not been on computing exact quantities in a particular spacetime of interest but rather on general properties, expansions of the singular two-point function or approximations (see Refs. [5][6][7][8][9] for example).…”
Section: Introductionmentioning
confidence: 99%
“…There has been some work on regularized vacuum polarization and regularized stress-energy tensors in higher dimensions in the literature, but the focus has not been on computing exact quantities in a particular spacetime of interest but rather on general properties, expansions of the singular two-point function or approximations (see Refs. [5][6][7][8][9] for example).…”
Section: Introductionmentioning
confidence: 99%
“…While the renormalised vacuum polarization has been computed for a variety of black hole spacetimes in four dimensions, see for example [3,4,[7][8][9][10][11][12][13][14], there has been comparatively little work carried out in higher dimensional black hole spacetimes. Some general properties of the renormalised stress energy tensor in higher dimensions are derived in [15] while Decanini and Folacci [16] developed a formalism for its computation based on Hadamard renormalization. Another general formalism for computing the renormalised vacuum polariza-arXiv:1609.08166v2 [gr-qc] 14 Oct 2016 tion in higher dimensional spacetimes based on DeWitt-Schwinger renormalization was developed in [17].…”
Section: Introductionmentioning
confidence: 99%
“…Combining these numerical results with the horizon values obtained in this paper will allow us to numerically calculate these derivatives and thereby draw conclusions on the regularity of the equivalent of the Hartle-Hawking state for lukewarm black holes. We note here that the satisfaction of condition 3 can be shown to be equivalent to requiring that hT i ren possess a Taylor series about the horizon, by following the method of Morgan et al [34]. This will also be investigated in Paper II.…”
Section: Renormalized Stress Tensor Componentsmentioning
confidence: 93%