Abstract
A modified version of the field equations of general relativity is obtained on relaxing the covariant energy-momentum conservation condition. This introduces a single arbitrary constant and does not appear to upset the successes of general relativity in or outside cosmology. The matter-dominated cosmological model, based on the generalized field equations, is discussed. It is shown to provide more room for consistency with the observational data.
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Al-Rawaf, A.S., Taha, M.O. Cosmology of general relativity without energy-momentum conservation. Gen Relat Gravit 28, 935–952 (1996). https://doi.org/10.1007/BF02113090
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DOI: https://doi.org/10.1007/BF02113090