D E Díaz and J Stephany 2002 Class. Quantum Grav. 19 3753 doi:10.1088/0264-9381/19/14/314
D E Díaz1 and J Stephany1,2
Show affiliationsWe describe the quantum and classical radiation emitted by a uniformly accelerating point source in terms of the elementary processes of absorption and emission of Rindler scalar photons of the Fulling–Davies–Unruh bath observed by a co-accelerating observer. To this end we compute the rate at which a DeWitt detector emits a Minkowski scalar particle with defined transverse momentum per unit of proper time of the source and we show that it corresponds to the induced absorption or spontaneous and induced emission of Rindler particles from the thermal bath. We then take what could be called the inert limit of the DeWitt detector by considering the limit of no energy gap. As suggested by DeWitt, we identify, in this limit, the detector with a classical point source and verify the consistency of our computation with the classical result. Finally, we study the behaviour of the emission rate in D spacetime dimensions in connection with the so-called apparent statistics inversion.
04.62.+v Quantum fields in curved spacetime
04.40.Nr Einstein-Maxwell spacetimes, spacetimes with fluids, radiation or classical fields
Issue 14 (21 July 2002)
Received 5 March 2002
Published 27 June 2002
D E Díaz and J Stephany 2002 Class. Quantum Grav. 19 3753
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