Where Was Past Low-Entropy?

Author:

Rovelli Carlo

Abstract

Where was the past low-entropy of the early universe located? Contrary to some popular answers, I argue that that the dominant source of low-entropy is the fact that a single degree of freedom, the scale factor, was not at equilibrium. I also discuss possible interpretations of the “improbability” of this early low-entropy.

Funder

Foundational Questions Institute

Publisher

MDPI AG

Subject

General Physics and Astronomy

Reference14 articles.

1. Cosmology;Weinberg,2008

2. Boltzmann's Entropy and Time's Arrow

3. Time and Change;Albert,2000

4. Time’s Arrow;Price,1996

5. The “Past Hypothesis”: Not even false

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