Chaos and quantum-nondemolition measurements

Weigert, S. (1991) Chaos and quantum-nondemolition measurements. Physical Review A. pp. 6597-6603. ISSN 1050-2947

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Abstract

The problem of chaotic behavior in quantum mechanics is investigated against the background of the theory of quantum-nondemolition (QND) measurements. The analysis is based on two relevant features: The outcomes of a sequence of QND measurements are unambiguously predictable, and these measurements actually can be performed on one single system without perturbing its time evolution. Consequently, QND measurements represent an appropriate framework to analyze the conditions for the occurrence of ‘‘deterministic randomness’’ in quantum systems. The general arguments are illustrated by a discussion of a quantum system with a time evolution that possesses nonvanishing algorithmic complexity.

Item Type:	Article
Copyright, Publisher and Additional Information:	© 1991 The American Physical Society. Reproduced in accordance with the publisher's self-archiving policy.
Academic Units:	The University of York > Mathematics (York)
Depositing User:	Repository Officer
Date Deposited:	23 Jun 2006
Last Modified:	19 Feb 2013 12:09
Published Version:	http://dx.doi.org/10.1103/PhysRevA.43.6597
Status:	Published
Refereed:	Yes
Related URLs:	http://www-users.york.ac.uk/~slow500/Pub... http://link.aps.org/abstract/PRA/v43/p65...
URI:	http://eprints.whiterose.ac.uk/id/eprint/1358

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