Abstract
IN spite of the success of Milne and McCrea1 in using classical mechanics to reproduce the Friedmann universes, the mathematically simplified apparatus of Newtonian cosmology has been of only limited use in exploring relativistic world models. In general, the required formulation of Newtonian universes2,3 leads to indeterminate equations of motion: one has an infinite region of homogeneous dust (density ρ (t), pressure p = 0), in which the gravitational field cannot be found classically. This letter outlines a way of resolving the indeterminacy, and gaining an insight into relativistic cosmology, through equations that reveal the dynamics of relativistic dust world models in a quasi-Newtonian fashion.
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EVANS, A. A Newtonian view of relativistic cosmology. Nature 252, 109–110 (1974). https://doi.org/10.1038/252109a0
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DOI: https://doi.org/10.1038/252109a0
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