Time's arrow in an oscillating universe

Details Time's arrow in an oscillating universe Time's arrow in an oscillating universe

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980foph...10..743w&link_type=abstract

Foundations of Physics, Volume 10, Issue 9-10, pp. 743-749

Physics

1

Scientific paper

In view of the time-symmetric nature of the laws of physics, time asymmetry in the universe must arise from “initial” conditions. A fully time-symmetric oscillating model is presented which exists in a highly compressed, highly ordered state at t=0 and evolves forward, in the thermodynamic sense, as ∣ t ∣ increases. This model offers the possibility of accounting for several fundamental and puzzling aspects of our universe, including matter-antimatter asymmetry, the large entropy per baryon, primordial density enhancements sufficient to form galaxies, and large-scale homogeneity.

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