Signatures of Energy Flux in Particle Production: A Black Hole Birth Cry and Death Gasp
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Date
2015
Authors
Good, Michael R.R.
Ong, Yen Chin
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Abstract
It is recently argued that if the Hawking radiation process is unitary, then a black hole's mass cannot be monotonically decreasing. We examine the time dependent particle
count and negative energy flux in the non-trivial conformal vacuum via the moving
mirror approach. A new, exactly unitary solution is presented which emits a characteristic
above-thermal positive energy burst, a thermal plateau, and negative energy flux. It is found that the characteristic positive energy are and thermal plateau is observed in the particle out fow. However, the results of time dependent particle production show no overt indication of negative energy flux. Therefore, a black hole's birth cry is detectable
by asymptotic observers via particle count, whereas its death gasp is not
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Keywords
Research Subject Categories::NATURAL SCIENCES::Physics, energy flux, black holes
Citation
Good Michael R.R., Ong Yen Chin; 2015; Signatures of Energy Flux in Particle Production: A Black Hole Birth Cry and Death Gasp; http://arxiv.org/abs/1506.08072