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Entropy 2008, 10(3), 150-159; doi:10.3390/entropy-e10030150

Information Equation of State

Published: 30 July 2008
Download PDF [206 KB, uploaded 16 September 2008]
Abstract: Landauer’s principle is applied to information in the universe. Once stars began forming there was a constant information energy density as the increasing proportion of matter at high stellar temperatures exactly compensated for the expanding universe. The information equation of state was close to the dark energy value, w = -1, for a wide range of redshifts, 10 > z > 0.8, over one half of cosmic time. A reasonable universe information bit content of only 1087 bits is sufficient for information energy to account for all dark energy. A time varying equation of state with a direct link between dark energy and matter, and linked to star formation in particular, is clearly relevant to the cosmic coincidence problem. In answering the ‘Why now?’ question we wonder ‘What next?’ as we expect the information equation of state to tend towards w = 0 in the future.c
Keywords: Information; Energy; Landauer’s principle; Cosmology Information; Energy; Landauer’s principle; Cosmology
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Gough, M.P. Information Equation of State. Entropy 2008, 10, 150-159.

AMA Style

Gough MP. Information Equation of State. Entropy. 2008; 10(3):150-159.

Chicago/Turabian Style

Gough, M. P. 2008. "Information Equation of State." Entropy 10, no. 3: 150-159.

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