Entropic force, holography and thermodynamics for static space-times

Details Entropic force, holography and thermodynamics for static space-times Entropic force, holography and thermodynamics for static space-times

2010-02-15

arxiv.org/abs/1002.2818v5

Eur.Phys.J.C69:555-562,2010

Physics

High Energy Physics

High Energy Physics - Theory

7 pages, to be published in European Physical Journal C (EPJC)

Scientific paper

10.1140/epjc/s10052-010-1424-1

Recently Verlinde has suggested a new approach to gravity which interprets gravitational interaction as a kind of entropic force. The new approach uses the holographic principle by stating that the information is kept on the holographic screens which coincide with equipotential surfaces. Motivated by this new interpretation of gravity (but not being limited by it) we study equipotential surfaces, the Unruh-Verlinde temperature, energy and acceleration for various static space-times: generic spherically symmetric solutions, axially symmetric black holes immersed in a magnetic field, traversable spherically symmetric wormholes of an arbitrary shape function, system of two and more extremely charged black holes in equilibrium. In particular, we have shown that the Unruh-Verlinde temperature of the holographic screen reaches absolute zero on the wormhole throat independently of the particular form of the wormhole solution.

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