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Phys. Rev. A 70, 062315 (2004) [5 pages]

Entanglement dynamics in chaotic systems

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Shohini Ghose1,2 and Barry C. Sanders1,3
1Institute for Quantum Information Science, University of Calgary, Alberta, Canada T2N 1N4
2Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131, USA
3Centre for Quantum Computer Technology, Macquarie University, Sydney, New South Wales, Australia

Received 22 July 2004; revised 9 September 2004; published 16 December 2004

We study quantum chaos for systems with more than one degree of freedom, for which we present an analysis of the dynamics of entanglement. Our analysis explains the main features of entanglement dynamics and identifies entanglement-based signatures of quantum chaos. We discuss entanglement dynamics for a feasible experiment involving an atom in a magneto-optical trap and compare the results with entanglement dynamics for the well-studied quantum kicked top.


©2004 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.70.062315
DOI: 10.1103/PhysRevA.70.062315
PACS: 03.67.Mn, 05.45.Mt, 03.65.Ud, 39.25.+k

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