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Deterministic Dicke-state preparation with continuous measurement and control

Stockton, John K. and van Handel, Ramon and Mabuchi, Hideo (2004) Deterministic Dicke-state preparation with continuous measurement and control. Physical Review A, 70 (2). Art. No. 022106. ISSN 1050-2947. doi:10.1103/PhysRevA.70.022106.

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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.

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Additional Information:©2004 The American Physical Society. (Received 19 February 2004; published 26 August 2004) This work was supported by the NSF (Grant Nos. PHY-9987541 and EIA-0086038), the ONR (Grant No. N00014-00-1-0479), the ARO (Grant No. DAAD19-03-1-0073), and the Caltech MURI Center for Quantum Networks (Grant No. DAAD19-00-1-0374). J.K.S acknowledges support from the Hertz Foundation. We thank Andrew Doherty, J.M. Geremia, and Paige Randall for useful discussions. Additional information is available at
Subject Keywords:master equation; stochastic processes; quantum entanglement
Issue or Number:2
Record Number:CaltechAUTHORS:STOpra04
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9427
Deposited By: Archive Administrator
Deposited On:30 Dec 2007
Last Modified:08 Nov 2021 20:59

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