In situ velocity imaging of ultracold atoms using slow light

Year: 2003

Authors: Artoni M., Carusotto I.

Autors Affiliation: INFM, European Lab Nonlinear Spect, I-50019 Florence, Italy; INFM, Dept Chem & Phys Mat, I-25133 Brescia, Italy; Ecole Normale Super, Lab Kastler Brossel, F-75231 Paris 05, France.

Abstract: The optical response of a moving medium suitably driven into a slow-light propagation regime strongly depends on its velocity. This effect can be used to devise a scheme for imaging ultraslow velocity fields. The scheme turns out to be amenable to study in situ the dynamics of collective and topological excitations of a trapped Bose-Einstein condensate. We illustrate how slow-light imaging works specifically for sloshing oscillations and bent vortices in a stirred condensate.

Journal/Review: PHYSICAL REVIEW A

Volume: 67 (1)      Pages from: 11602-1  to: 11602-4

KeyWords: Bose-einstein Condensation; Drag
DOI: 10.1103/PhysRevA.67.011602

Citations: 15
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