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The direction of time

Abstract

The meaning of the phrase “the direction of time” and the physical problems involved are considered. These problems are discussed and plausibility arguments are given to show that all clocks run in the same direction (almost always), that the most probable development of the Universe during the early stages of the expansion would result in the introduction of some internal organization, and that the expansion of the Universe and the increase in entropy define time directions that have the same sense. The question of what properties of the laws governing the Universe lead to these results is studied.

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Mirman, R. The direction of time. Found Phys 5, 491–511 (1975). https://doi.org/10.1007/BF00708892

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Keywords

  • Entropy
  • Physical Problem
  • Time Direction
  • Probable Development
  • Plausibility Argument