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Periodic array of Bose-Einstein condensates in a magnetic lattice

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posted on 2024-07-26, 14:01 authored by Smitha JoseSmitha Jose, P. Surendran, Y. Wang, Ivan Herrera Benzaquen, L. Krzemien, S. Whitlock, Russell McLeanRussell McLean, Andrei SidorovAndrei Sidorov, Peter HannafordPeter Hannaford
We report the realization of a periodic array of Bose-Einstein condensates (BECs) of Rb-87 F = 1 atoms trapped in a one-dimensional magnetic lattice close to the surface of an atom chip. A clear signature for the onset of BEC in the magnetic lattice is provided by in situ site-resolved radio-frequency spectra, which exhibit a pronounced bimodal distribution consisting of a narrow component characteristic of a BEC together with a broad thermal cloud component. Similar bimodal distributions are found for various sites across the magnetic lattice. The realization of a periodic array of BECs in a magnetic lattice represents a major step towards the implementation of magnetic lattices for quantum simulation of many-body condensed matter phenomena in lattices of complex geometry and arbitrary period.

Funding

New generation periodic lattices for ultracold quantum gases

Australian Research Council

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ISSN

1050-2947

Journal title

Physical Review A

Volume

89

Issue

5

Article number

article no. 051602-1

Pagination

4 pp

Publisher

American Physical Society

Copyright statement

Copyright © 2014 American Physical Society. The published version is reproduced in accordance with the copyright policy of the publisher.

Language

eng

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