Burgess and Hambli Uses Fredenhagen-Haag with UV cutoff to argue for the IR nature of Hawking radiation
Fredenhagen and Haag Direct calculation of the flux – quite mathematical
Parker, Olmo et al A field theory derivation
Parker Olmo et al with a cutoff on the robustness of the effect
Matt Visser’s Essential and Inessential Features of Hawking Radiation
Jennie Traschen’s discussion of Hawking radiation