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1.1 MATHEMATICS, Applied mathematics, Particles and fields physics
In this paper, we describe an extremely efficient method for computing the renormalized stress-energy tensor of a quantum scalar field in spherically symmetric black hole spacetimes. The method applies to a scalar field with arbitrary field parameters. We demonstrate the utility of the method by computing the renormalized stress-energy tensor for a scalar field in the Schwarzschild black hole spacetime, applying our results to discuss the null energy condition and the semiclassical backreaction.
Taylor, Peter; Breen, Cormac; and Ottewill, Adrian, "A mode-sum prescription for the renormalized stress energy tensor on black hole spacetimes" (2022). Articles. 98.