Non-equilibrium Landauer Transport Model for Hawking radiation from a Black Hole

Details Non-equilibrium Landauer Transport Model for Hawking radiation from a Black Hole Non-equilibrium Landauer Transport Model for Hawking radiation from a Black Hole

2010-09-21

arxiv.org/abs/1009.3974v4

New J. Phys. 14, 033013 (2012)

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, 2 figures, published version

Scientific paper

10.1088/1367-2630/14/3/033013

We propose that the Hawking radiation energy and entropy flow rates from a black hole can be viewed as a one-dimensional (1D), non-equilibrium Landauer transport process. Support for this viewpoint comes from previous calculations invoking conformal symmetry in the near-horizon region, which give radiation rates that are identical to those of a single 1D quantum channel connected to a thermal reservoir at the Hawking temperature. The Landauer approach shows in a direct way the particle statistics independence of the energy and entropy fluxes of a black hole radiating into vacuum, as well as one near thermal equilibrium with its environment. As an application of the Landauer approach, we show that Hawking radiation gives a net entropy production that is 50% larger than that obtained assuming standard three-dimensional emission into vacuum.

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