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Information 2012, 3(2), 219-223; doi:10.3390/info3020219

Information and Physics

1 Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, UK 2 Center for Quantum Technology, National University of Singapore, Singapore 117543, Singapore
Received: 6 March 2012 / Revised: 9 May 2012 / Accepted: 10 May 2012 / Published: 11 May 2012
(This article belongs to the Special Issue Information and Energy/Matter)
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In this paper I discuss the question: what comes first, physics or information? The two have had a long-standing, symbiotic relationship for almost a hundred years out of which we have learnt a great deal. Information theory has enriched our interpretations of quantum physics, and, at the same time, offered us deep insights into general relativity through the study of black hole thermodynamics. Whatever the outcome of this debate, I argue that physicists will be able to benefit from continuing to explore connections between the two.
Keywords: information; quantum; relativity information; quantum; relativity
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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Vedral, V. Information and Physics. Information 2012, 3, 219-223.

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