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Superfluid transport dynamics in a capacitive atomtronic circuit

TitleSuperfluid transport dynamics in a capacitive atomtronic circuit
Publication TypeJournal Article
Year of Publication2016
AuthorsA. Li, S. Eckel, B. Eller, K. E. Warren, C. W. Clark, and M. Edwards
JournalPHYSICAL REVIEW A
Volume94
Pagination023626
Date PublishedAUG 22
ISSN2469-9926
Abstract

We simulate transport in an atomtronic circuit of a Bose-Einstein condensate that flows from a source region into a drain through a gate channel. The time-dependent Gross-Pitaevskii equation (GPE) solution matches the data of a recent experiment. The atomtronic circuit is found to be similar to a variable-resistance RLC circuit, which is critically damped at early times and shows LC oscillations later. The GPE also predicts atom loss from the drain. Studies of the dependence of condensate transport upon gate parameters suggest the utility of the GPE for investigation of atomtronic circuits.

DOI10.1103/PhysRevA.94.023626