https://doi.org/10.1140/epjc/s10052-015-3302-3
Regular Article - Theoretical Physics
Nonthermal correction to black hole spectroscopy
1
Department of Physics and Center for High Energy Physics, Chung Yuan Christian University, Chung Li, Taiwan
2
Leung Center for Cosmology and Particle Astrophysics, National Taiwan University, Taipei, 106, Taiwan
* e-mail: steve.wen@gmail.com
Received:
23
November
2014
Accepted:
30
January
2015
Published online:
17
February
2015
Area spectrum of black holes has been obtained via various methods such as quasinormal modes, adiabatic invariance and angular momentum. Among those methods, calculations were done by assuming black holes in thermal equilibrium. Nevertheless, black holes in the asymptotically flat space usually have a negative specific heat and therefore tend to stay away from thermal equilibrium. Even for black holes with a positive specific heat, the temperature may still not be well defined in the process of radiation, due to the back reaction of a decreasing mass. With respect to these facts, it is very likely that Hawking radiation is nonthermal and the area spectrum is no longer equidistant. In this note, we would like to illustrate how the area spectrum of black holes is corrected by this nonthermal effect.
© SIF and Springer-Verlag Berlin Heidelberg, 2015
