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|a Ji, Wenjie
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|a Massachusetts Institute of Technology. Department of Physics
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|a MIT-Harvard Center for Ultracold Atoms
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|a Ku, Mark Jen-Hao
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|a Ji, Wenjie
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|a Mukherjee, Biswaroop
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|a Guardado Sanchez, Elmer
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|a Cheuk, Lawrence W.
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|a Yefsah, Tarik
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|a Zwierlein, Martin Wolfram
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|a Mukherjee, Biswaroop
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|a Cheuk, Lawrence W.
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|a Yefsah, Tarik
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|a Guardado Sanchez, Elmer
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|a Zwierlein, Martin Wolfram
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|a Ku, Mark J. H.
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|a Motion of a Solitonic Vortex in the BEC-BCS Crossover
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|b American Physical Society,
|c 2014-08-11T16:40:01Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/88665
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|a We observe a long-lived solitary wave in a superfluid Fermi gas of [superscript 6]Li atoms after phase imprinting. Tomographic imaging reveals the excitation to be a solitonic vortex, oriented transverse to the long axis of the cigar-shaped atom cloud. The precessional motion of the vortex is directly observed, and its period is measured as a function of the chemical potential in the BEC-BCS crossover. The long period and the correspondingly large ratio of the inertial to the bare mass of the vortex are in good agreement with estimates based on superfluid hydrodynamics that we derive here using the known equation of state in the BEC-BCS crossover.
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|a National Science Foundation (U.S.)
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|a United States. Army Research Office. Multidisciplinary University Research Initiative on Atomtronics
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|a United States. Air Force Office of Scientific Research. Presidential Early Career Award for Scientists and Engineers
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|a United States. Office of Naval Research
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|a United States. Defense Advanced Research Projects Agency. Optical Lattice Emulator Program
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|a David & Lucile Packard Foundation
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|a en
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|a Article
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|t Physical Review Letters
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