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Gravitational theoretical development supporting MOND

Chadwick, EA, Hodgkinson, TF and McDonald, GS 2013, 'Gravitational theoretical development supporting MOND' , Physical Review D (particles, fields, gravitation, and cosmology), 88 (024036) .

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Conformal geometry is considered within a general relativistic framework. An invariant distant for proper time is defined and a parallel displacement is applied in the distorted space-time, modifying Einstein’s equation appropriately. A particular solution is introduced for the covariant acceleration potential that matches the observed velocity distribution at large distances from the Galactic Center, i.e. modified Newtonian dynamics. This explicit solution of a general framework that allows both curvature and explicit local expansion of space-time, thus reproduces the observed flattening of galaxys’ rotation curves without the need to assume the existence of dark matter. The large distance expansion rate is found to match the speed of a spherical shock wave.

Item Type: Article
Themes: Energy
Schools: Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)
Journal or Publication Title: Physical Review D (particles, fields, gravitation, and cosmology)
Publisher: APS
Refereed: Yes
ISSN: 1550-7998
Related URLs:
Funders: STFC
Depositing User: GS McDonald
Date Deposited: 08 Aug 2014 17:45
Last Modified: 29 Oct 2015 00:10
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