Synthetic magnetic fields for ultracold neutral atoms

Y.-J. Lin, R. L. Compton, K. Jiménez-García, J. V. Porto and I. B. Spielman ()
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Y.-J. Lin: Joint Quantum Institute, National Institute of Standards and Technology, and University of Maryland, Gaithersburg, Maryland, 20899, USA
R. L. Compton: Joint Quantum Institute, National Institute of Standards and Technology, and University of Maryland, Gaithersburg, Maryland, 20899, USA
K. Jiménez-García: Joint Quantum Institute, National Institute of Standards and Technology, and University of Maryland, Gaithersburg, Maryland, 20899, USA
J. V. Porto: Joint Quantum Institute, National Institute of Standards and Technology, and University of Maryland, Gaithersburg, Maryland, 20899, USA
I. B. Spielman: Joint Quantum Institute, National Institute of Standards and Technology, and University of Maryland, Gaithersburg, Maryland, 20899, USA

Nature, 2009, vol. 462, issue 7273, 628-632

Abstract: Magnetic mimic Atomic Bose–Einstein condensates (BECs) can be used to study many-body phenomena, such as superconductivity, that occur in more complex systems. However, many intriguing phenomena occur for charged particles in a magnetic field, and BECs are neutral. This drawback can be avoided by rotating the neutral system to create a synthetic magnetic field, but such fields are of limited strength. Lin et al. report a method of optically synthesizing magnetic fields for ultracold neutral atoms that is not subject to the limitations of the rotational approach. The method has the potential to generate the high fields required to reach the quantum Hall regime, which would enable studies of topological quantum computation.

Date: 2009
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DOI: 10.1038/nature08609

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