A Newtonian view of relativistic cosmology
Abstract
IN spite of the success of Milne and McCrea^{1} 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 universes^{2,3} 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 quasiNewtonian fashion.
 Publication:

Nature
 Pub Date:
 November 1974
 DOI:
 10.1038/252109a0
 Bibcode:
 1974Natur.252..109E
 Keywords:

 Astronomical Models;
 Cosmology;
 Newton Theory;
 Relativistic Theory;
 Classical Mechanics;
 Einstein Equations;
 Equations Of Motion;
 Field Theory (Physics);
 Gravitation Theory;
 Metric Space;
 Power Series;
 Spin;
 Astrophysics