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APS » Journals » Phys. Rev. Lett. » Volume 91 » Issue 23
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Phys. Rev. Lett. 91, 230404 (2003) [4 pages]

Quantum Zeno Subspace and Entangled Bose-Einstein Condensates

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M. Zhang1,* and L. You1,2
1School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
2Interdisciplinary Center of Theoretical Studies and Institute of Theoretical Physics, CAS, Beijing 100080, China

Received 15 February 2003; published 3 December 2003

We discuss a proposal for the efficient generation of the maximally entangled atomic N-GHZ state in a spinor-1 condensate by driving internal state atomic Raman transitions using (classical) laser fields. We illustrate the dynamics in terms of a quantum Zeno subspace and identify the resultant atomic elastic collision in facilitating the deterministic entanglement creation. Our proposal can be readily implemented in several laboratories where ferromagnetic spinor condensates (of 87Rb atoms) are investigated.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.230404
DOI:
10.1103/PhysRevLett.91.230404
PACS:
03.65.Xp, 03.67.Mn, 03.75.Gg, 03.75.Mn

*Current address: Center for Advanced Study, Tsinghua University, Beijing, 100084, China.

 
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