1201.3820 (Luis C. Barbado et al.)

Hawking radiation as perceived by different observers: An analytic
expression for the effective-temperature function    [PDF]

Luis C. Barbado, Carlos Barceló, Luis J. Garay

Given a ?eld vacuum state in a black hole spacetime, this state can be analysed in terms of how it is perceived (in terms of particle content) by di?erent observers. This can be done by means of the e?ective-temperature function introduced by Barcel\'o et al. in [1]. In Barbado et al. [2], this function was analysed in a case by case basis for a number of interesting situations. In this work, we ?nd a general analytic expression for the e?ective-temperature function which, apart from the vacuum state choice, depends on the position, the local velocity and the acceleration of the speci?c observer. We give a clear physical interpretation of the quantities appearing in the expression, and illustrate its potentiality with a few examples.

View original: http://arxiv.org/abs/1201.3820