Quantum metric fluctuations and Hawking radiation

Details Quantum metric fluctuations and Hawking radiation Quantum metric fluctuations and Hawking radiation

2000-09-05

arxiv.org/abs/gr-qc/0009011v1

Phys.Rev.D63:041503,2001

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, revtex

Scientific paper

10.1103/PhysRevD.63.041503

In this Letter we study the gravitational interactions between outgoing configurations giving rise to Hawking radiation and in-falling configurations. When the latter are in their ground state, the near horizon interactions lead to collective effects which express themselves as metric fluctuations and which induce dissipation, as in Brownian motion. This dissipation prevents the appearance of trans-Planckian frequencies and leads to a description of Hawking radiation which is very similar to that obtained from sound propagation in condensed matter models.

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