E Sakellari
Josephson tunnelling of a phase-imprinted Bose-Einstein condensate in a time-dependent double-well potential
Sakellari, E; Proukakis, NP; Leadbeater, M; Adams, CS
Abstract
This paper discusses the feasibility of experimental control of the flow direction of atomic Bose–Einstein condensates in a double-well potential using phase imprinting. The flow is induced by the application of a time-dependent potential gradient, providing a clear signature of macroscopic quantum tunnelling in atomic condensates. By studying both initial-state preparation and subsequent tunnelling dynamics, we find the parameters to optimize the phase-induced Josephson current. We find that the effect is largest for condensates of up to a few thousand atoms, and is only weakly dependent on trap geometry.
Journal Article Type | Article |
---|---|
Online Publication Date | Apr 8, 2004 |
Publication Date | Apr 8, 2004 |
Deposit Date | Apr 4, 2013 |
Publicly Available Date | May 18, 2017 |
Journal | New Journal of Physics |
Publisher | IOP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 6 |
Article Number | 42 |
DOI | https://doi.org/10.1088/1367-2630/6/1/042 |
Public URL | https://durham-repository.worktribe.com/output/1460817 |
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This article is available under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA version 3.0) licence.
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