How to observe dipolar effects in spinor Bose-Einstein condensates

We propose an experiment which proves the possibility of spinning gaseous media via dipolar interactions in the spirit of the famous Einstein-de Haas effect for ferromagnets. The main idea is to utilize resonances that we find in spinor condensates of alkali atoms while these systems are placed in a...

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Bibliographic Details
Published in:Physical review letters 2011-04, Vol.106 (14), p.140403-140403, Article 140403
Main Authors: Gawryluk, Krzysztof, Bongs, Kai, Brewczyk, Mirosław
Format: Article
Language:English
Subjects:
ANGULAR MOMENTUM
ATOMS
BOSE-EINSTEIN CONDENSATION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONDENSATES
DEGREES OF FREEDOM
INTERACTIONS
MAGNETIC FIELDS
PARTICLE PROPERTIES
RESONANCE
SPIN
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Summary:We propose an experiment which proves the possibility of spinning gaseous media via dipolar interactions in the spirit of the famous Einstein-de Haas effect for ferromagnets. The main idea is to utilize resonances that we find in spinor condensates of alkali atoms while these systems are placed in an oscillating magnetic field. A significant transfer of angular momentum from spin to motional degrees of freedom observed on resonance is a spectacular manifestation of dipolar effects in spinor condensates.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.106.140403