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\bibitem{Anderson_etal2020} Anderson, P. R., Siahmazgi, S. G., Clark, R. D., \& Fabbri, A. (2020). Method to compute the stress-energy tensor for a quantized scalar field when a black hole forms from the collapse of a null shell. \textit{Phys. Rev. D}, \textit{102}(12), 125035--26pp.

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