Hawking Radiation and Thermalization Phenomena in Open Quantum Systems

Details Hawking Radiation and Thermalization Phenomena in Open Quantum Systems Hawking Radiation and Thermalization Phenomena in Open Quantum Systems

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010gras.conf..319y&link_type=abstract

GRAVITATION AND ASTROPHYSICS. Proceedings of the Ninth Asia-Pacific International Conference. Held 29 June-2 July 2009 in Wuhan,

Astronomy and Astrophysics

Astrophysics

1

Hawking Radiation, Theory Of Open Quantum Systems, Thermalization

Scientific paper

We analyze, in the framework of open quantum systems, the reduced dynamics of a static detector (a two-level atom) outside a two-dimensional black hole in weak interaction with a bath of massless quantum scalar fields in the Hartle-Hawking vacuum. We find that the detector outside the black hole is asymptotically driven to a thermal state at the temperature T, which reduces to the Hawking temperature in the spatial asymptotic region, regardless of its initial state. Our discussion therefore shows that the Hawking effect can be understood as a manifestation of thermalization phenomena in the framework of open quantum systems.

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