Optical Visibility and Core Structure of Vortex Filaments in a Bosonic Superfluid

Year: 2018

Authors: Dalfovo F., Bisset R.N., Mordini C., Lamporesi G., Ferrari G.

Autors Affiliation: – INO-CNR BEC Center and Dipartimento di Fisica, Università di Trento, Trento, 38123 Italy
– Trento Institute for Fundamental Physics and Applications, INFN, Trento, 38123 Italy

Abstract: We use optical images of a superfluid consisting of a weakly interacting Bose–Einstein condensate
of sodium atoms to investigate the structure of quantized three-dimensional vortex filaments. We find that
the measured optical contrast and the width of the vortex core quantitatively agree with the predictions of the
Gross–Pitaevskii equation.

Journal/Review: JETP LETTERS

Volume: 127 (5)      Pages from: 804  to: 811

KeyWords: vortex filaments
DOI: 10.1134/S1063776118110018

Citations: 3
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