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Phys. Rev. A 70, 022106 (2004) [11 pages]

Deterministic Dicke-state preparation with continuous measurement and control

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John K. Stockton*, Ramon van Handel, and Hideo Mabuchi
Norman Bridge Laboratory of Physics, M.C. 12-33, California Institute of Technology, Pasadena, California 91125, USA

Received 19 February 2004; published 26 August 2004

We characterize the long-time projective behavior of the stochastic master equation describing a continuous, collective spin measurement of an atomic ensemble both analytically and numerically. By adding state-based feedback, we show that it is possible to prepare highly entangled Dicke states deterministically.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.70.022106
DOI:
10.1103/PhysRevA.70.022106
PACS:
03.65.Ta, 42.50.Lc, 02.30.Yy

*URL: http://minty.caltech.edu/Ensemble. Electronic address: jks@caltech.edu

 
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