The arrow of time

P. C.W. Davies

doi:10.1046/j.1468-4004.2003.46126.x

The arrow of time

P. C.W. Davies

Research output: Contribution to journal › Review article › peer-review

2 Scopus citations

Abstract

In daily life the world shows a marked distinction between past and future, but (with a minor exception) the laws of physics are symmetric in time. Gerald Whitrow was among the first to realize that the resolution of this paradox lay with cosmology and the initial conditions at the birth of the universe. But this simple conclusion conceals some deep subtleties that took a new twist with the emergence of quantum cosmology and the inflationary universe scenario. The issue has still not been fully resolved, and remains one of the great outstanding scientific mysteries.

Original language	English (US)
Pages (from-to)	1.26-1.29
Journal	Astronomy and Geophysics
Volume	46
Issue number	1
DOIs	https://doi.org/10.1046/j.1468-4004.2003.46126.x
State	Published - Feb 2005
Externally published	Yes

ASJC Scopus subject areas

Astronomy and Astrophysics
Geophysics
Geochemistry and Petrology

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10.1046/j.1468-4004.2003.46126.x

Cite this

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AB - In daily life the world shows a marked distinction between past and future, but (with a minor exception) the laws of physics are symmetric in time. Gerald Whitrow was among the first to realize that the resolution of this paradox lay with cosmology and the initial conditions at the birth of the universe. But this simple conclusion conceals some deep subtleties that took a new twist with the emergence of quantum cosmology and the inflationary universe scenario. The issue has still not been fully resolved, and remains one of the great outstanding scientific mysteries.

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The arrow of time

Abstract

ASJC Scopus subject areas

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