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Article overview
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Entropic gravity, minimum temperature, and modified Newtonian dynamics | F.R. Klinkhamer
; M. Kopp
; | Date: |
11 Apr 2011 | Abstract: | Verlinde’s heuristic derivation of standard Newtonian gravity as an entropic
force is generalized by the introduction of a minimum temperature (or maximum
wave length) for the microscopic degrees of freedom on the holographic screen.
For the simplest possible setup, the resulting gravitational acceleration on a
test mass m from a point mass M at a distance R is found to be of the form of
the modified Newtonian dynamics (MOND) as suggested by Milgrom. The
corresponding MOND-type acceleration constant is proportional to the minimum
temperature, which can be interpreted as the Unruh temperature of the emerging
de-Sitter space. | Source: | arXiv, 1104.2022 | Services: | Forum | Review | PDF | Favorites |
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