Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2004-06-24
Class.Quant.Grav. 21 (2004) L123
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
7 pages
Scientific paper
10.1088/0264-9381/21/17/L02
A perturbed black hole has characteristic frequencies (quasi-normal modes). Here I apply a quantum measurement analysis of the quasi-normal mode frequency in the limit of high damping. It turns out that a measurement of this mode necessarily adds noise to it. For a Schwarzschild black hole, this corresponds exactly to the Hawking temperature. The situation for other black holes is briefly discussed.
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