Hysteresis in a quantized superfluid ‘atomtronic’ circuit

Stephen Eckel, Jeffrey G. Lee, Fred Jendrzejewski, Noel Murray, Charles W. Clark, Christopher J. Lobb, William D. Phillips, Mark Edwards and Gretchen K. Campbell ()
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Stephen Eckel: Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland
Jeffrey G. Lee: Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland
Fred Jendrzejewski: Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland
Noel Murray: Georgia Southern University
Charles W. Clark: Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland
Christopher J. Lobb: Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland
William D. Phillips: Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland
Mark Edwards: Georgia Southern University
Gretchen K. Campbell: Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland

Nature, 2014, vol. 506, issue 7487, 200-203

Abstract: Hysteresis is observed between circulation states in an ‘atomtronic’ circuit formed from a ring of superfluid Bose–Einstein condensate obstructed by a rotating weak link (a region of low atomic density), and may prove as crucial in future atomtronic devices as it has done in electronic devices.

Date: 2014
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DOI: 10.1038/nature12958

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