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  Tunneling in the self-trapped regime of a two-well Bose-Einstein condensate

Pudlik, T., Hennig, H., Witthaut, D., & Campbell, D. (2014). Tunneling in the self-trapped regime of a two-well Bose-Einstein condensate. Physical Review A, 90: 053610. doi:10.1103/PhysRevA.90.053610.

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Pudlik, Tadeusz, Author
Hennig, Holger1, Author           
Witthaut, Dirk2, Author           
Campbell, David, Author
Affiliations:
1Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063286              
2Max Planck Research Group Network Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063295              

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 Abstract: Starting from a mean-field model of the Bose-Einstein condensate dimer, we reintroduce classically forbidden tunneling through a Bohr-Sommerfeld quantization approach. We find closed-form approximations to the tunneling frequency more accurate than those previously obtained using different techniques. We discuss the central role that tunneling in the self-trapped regime plays in a quantitatively accurate model of a dissipative dimer leaking atoms to the environment. Finally, we describe the prospects of experimental observation of tunneling in the self-trapped regime, both with and without dissipation.

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Language(s): eng - English
 Dates: 2014-11-10
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: eDoc: 697888
DOI: 10.1103/PhysRevA.90.053610
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Title: Physical Review A
Source Genre: Journal
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Pages: - Volume / Issue: 90 Sequence Number: 053610 Start / End Page: - Identifier: -