Relativity and Cosmology

    

Modified Gravity and Cosmology

Authors: Wei Lu

We propose a modification of Einstein-Cartan gravity equations. The modified cosmology departs from the standard model of cosmology for small Hubble parameter. A characteristic Hubble scale h0, which is intrinsically related to cosmological constant, marks the boundary between the validity domains of the standard model of cosmology and modified cosmology. Such a role for h0 is similar to Planck’s constant in the quantum/classical context, or to the speed of light c in the relativity/classical context. For large Hubble parameter, the standard model of cosmology is restored. In the opposite limit of small Hubble parameter, which is the case for present epoch, Lorentz-violating effects would manifest themselves. One of the implications is that there may be no need to invoke dark matter to account for cosmological mass discrepancies.

Comments: 11 pages. This is a compilation of results from viXra:1312.0010 and viXra:1305.0024 with minor updates.

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Submission history

[v1] 2014-05-11 19:55:14

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