Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.85.041403
Title: Reconfigurable self-sufficient traps for ultracold atoms based on a superconducting square
Authors: Siercke, M. 
Chan, K.S.
Zhang, B.
Beian, M. 
Lim, M.J.
Dumke, R. 
Issue Date: 23-Apr-2012
Citation: Siercke, M., Chan, K.S., Zhang, B., Beian, M., Lim, M.J., Dumke, R. (2012-04-23). Reconfigurable self-sufficient traps for ultracold atoms based on a superconducting square. Physical Review A - Atomic, Molecular, and Optical Physics 85 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.85.041403
Abstract: We report on the trapping of ultracold atoms in the magnetic field formed entirely by persistent supercurrents induced in a thin film type-II superconducting square. The supercurrents are carried by vortices induced in the two-dimensional (2D) structure by applying two magnetic field pulses of varying amplitude perpendicular to its surface. This results in a self-sufficient quadrupole trap that does not require any externally applied fields. We investigate the trapping parameters for different supercurrent distributions. Furthermore, to demonstrate possible applications of these types of supercurrent traps we show how a central quadrupole trap can be split into four traps by use of a bias field, as predicted by Zhang. © 2012 American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/126310
ISSN: 10502947
DOI: 10.1103/PhysRevA.85.041403
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