Modeling Time's Arrow

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Date
2012-04
Journal Title
Journal ISSN
Volume Title
Publisher
MDPI
Abstract

Quantum gravity, the initial low entropy state of the Universe, and the problem of time are interlocking puzzles. In this article, we address the origin of the arrow of time from a cosmological perspective motivated by a novel approach to quantum gravitation. Our proposal is based on a quantum counterpart of the equivalence principle, a general covariance of the dynamical phase space. We discuss how the nonlinear dynamics of such a system provides a natural description for cosmological evolution in the early Universe. We also underscore connections between the proposed non-perturbative quantum gravity model and fundamental questions in non-equilibrium statistical physics.

Description
Keywords
quantum gravity, arrow of time, non-equilibrium physics, quantum-mechanics, black-holes, distance, gravity, energy, system, space, physics, multidisciplinary
Citation
Jejjala, V.; Kavic, M.; Minic, D.; Tze, C. H., "Modeling Time's Arrow," Entropy 2012, 14(4), 614-629; doi:10.3390/e14040614.