X-Message-Number: 21791
From: 
Date: Sat, 24 May 2003 07:37:10 EDT
Subject: Universe as a computer

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There is an article in ArXiv about that subject:

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Paper: gr-qc/0304032
From: Paola Zizzi <>
Date: Mon, 7 Apr 2003 17:06:17 GMT   (230kb)

Title: Spacetime at the Planck Scale: The Quantum Computer View
Authors: Paola Zizzi
Comments: 18 pages,1 figure
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  We assume that spacetime at the Planck scale is discrete, quantised in 
Planck
units, and "qubitised" (each pixel of Planckian area encodes one qubit). 
Then,
we formulate the Quantum Computer View of quantum spacetime. Within this 
model,
one finds that quantum spacetime might be in a entangled state, and might
quantum-evaluate Boolean functions which are the laws of Physics in their 
most
fundamental form.
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The view of physical laws seems similar to what has been suggested by Wolfram 
research founder. Can we run the universe in Mathematica code? :-)

Yvan Bozzonetti.

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