Controlling interactions between highly magnetic atoms with Feshbach resonances
Genre
ReviewJournal
Date
2014-09-01Author
Kotochigova, SSubject
ultracold collisionsmagnetic atoms
Feshbach resonances
quantum gasses
dipole-dipole interactions
anisotropic interactions
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http://hdl.handle.net/20.500.12613/5859
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10.1088/0034-4885/77/9/093901Abstract
© 2014 IOP Publishing Ltd. This paper reviews current experimental and theoretical progress in the study of dipolar quantum gases of ground and meta-stable atoms with a large magnetic moment. We emphasize the anisotropic nature of Feshbach resonances due to coupling to fast-rotating resonant molecular states in ultracold s-wave collisions between magnetic atoms in external magnetic fields. The dramatic differences in the distribution of resonances of magnetic 7S3 chromium and magnetic lanthanide atoms with a submerged 4f shell and non-zero electron angular momentum is analyzed. We focus on dysprosium and erbium as important experimental advances have been recently made to cool and create quantum-degenerate gases for these atoms. Finally, we describe progress in locating resonances in collisions of meta-stable magnetic atoms in electronic P-states with ground-state atoms, where an interplay between collisional anisotropies and spin-orbit coupling exists.Citation to related work
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http://dx.doi.org/10.34944/dspace/5841