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Friday, December 27, 2013

The Universe as Quantum Computer

The universe as quantum computer
Authors: Seth Lloyd
Abstract: This article reviews the history of digital computation, and investigates just how far the concept of computation can be taken. In particular, I address the question of whether the universe itself is in fact a giant computer, and if so, just what kind of computer it is. I will show that the universe can be regarded as a giant quantum computer. The quantum computational model of the universe explains a variety of observed phenomena not encompassed by the ordinary laws of physics. In particular, the model shows that the the quantum computational universe automatically gives rise to a mix of randomness and order, and to both simple and complex systems.

Comments: 16 pages, LaTex
Subjects: Quantum Physics (quant-ph); Popular Physics (physics.pop-ph)
Journal reference: Chapter for A Computable Universe: Understanding and exploring Nature as computation, H. Zenil ed., World Scientific, Singapore, 2012
Cite as: arXiv:1312.4455 [quant-ph]
 (or arXiv:1312.4455v1 [quant-ph] for this version)

Submission history

From: Seth Lloyd [view email]
[v1] Mon, 16 Dec 2013 18:42:34 GMT (15kb)

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