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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Large scale structure in bekenstein's theory of relativistic modified Newtonian dynamics
Physical Review Letters, Volume 96, No. 1, Article 011301, Year 2006
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Description
A relativistic theory of modified gravity has been recently proposed by Bekenstein. The tensor field in Einstein's theory of gravity is replaced by a scalar, a vector, and a tensor field which interact in such a way to give modified Newtonian dynamics (MOND) in the weak-field nonrelativistic limit. We study the evolution of the Universe in such a theory, identifying its key properties and comparing it with the standard cosmology obtained in Einstein gravity. The evolution of the scalar field is akin to that of tracker quintessence fields. We expand the theory to linear order to find the evolution of perturbations on large scales. The impact on galaxy distributions and the cosmic microwave background is calculated in detail. We show that it may be possible to reproduce observations of the cosmic microwave background and galaxy distributions with Bekenstein's theory of MOND. © 2006 The American Physical Society.
Authors & Co-Authors
Skordis, C.
United Kingdom, Oxford
University of Oxford
Mota, David F.
Norway, Oslo
Universitetet I Oslo
Ferreira, Pedro G.
United Kingdom, Oxford
University of Oxford
South Africa, Muizenberg
African Institute for Mathematical Sciences
Boehm, Celine
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
France, Annecy le Vieux
Lapth Laboratoire D'annecy-le-vieux de Physique Theorique
Statistics
Citations: 231
Authors: 4
Affiliations: 5
Identifiers
Doi:
10.1103/PhysRevLett.96.011301
ISSN:
00319007
e-ISSN:
10797114