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Proceedings Paper

Quantum entanglement at dynamical bifurcations
Author(s): G. J. Milburn; Andrew Hines
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Paper Abstract

We show how quantum entanglement in the ground state of interacting quantum systems can arise from dynamical instabilities in the phase space of the corresponding classical system. Using the example of coupled giant spins we show that, when the fixed point undergoes a supercritical pitchfork bifurcation, the corresponding quantum state - the ground state - achieves its maximum amount of entanglement near the critical parameter.

Paper Details

Date Published: 23 May 2005
PDF: 5 pages
Proc. SPIE 5842, Fluctuations and Noise in Photonics and Quantum Optics III, (23 May 2005); doi: 10.1117/12.609027
Show Author Affiliations
G. J. Milburn, The Univ. of Queensland (Australia)
Andrew Hines, The Univ. of Queensland (Australia)

Published in SPIE Proceedings Vol. 5842:
Fluctuations and Noise in Photonics and Quantum Optics III
Philip R. Hemmer; Julio R. Gea-Banacloche; Peter Heszler; M. Suhail Zubairy, Editor(s)

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