Millikelvin spatial thermometry of trapped ions

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Title Millikelvin spatial thermometry of trapped ions
Author Norton, Benjamin Geoffrey; Streed, Erik; Petrasiunas, Matthew Joseph Paul; Jechow, Andreas; Kielpinski, David
Journal Name New Journal of Physics
Year Published 2011
Place of publication United Kingdom
Publisher Institute of Physics Publishing Ltd.
Abstract We demonstrate millikelvin thermometry of laser-cooled trapped ions with high-resolution imaging. This equilibrium approach is independent of the cooling dynamics and has lower systematic error than Doppler thermometry, with ±5mK accuracy and ±1mK precision. We used it to observe the highly anisotropic dynamics of a single ion, finding temperatures of<60mK and>15K simultaneously along different directions. This thermometry technique can offer new insights into quantum systems sympathetically cooled by ions, including atoms, molecules, nanomechanical oscillators and electric circuits.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1088/1367-2630/13/11/113022
Copyright Statement Copyright 2011 Institute of Physics Publishing. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 13
Issue Number 11
Page from 113022-1
Page to 113022-9
ISSN 1367-2630
Date Accessioned 2012-02-01; 2012-02-27T05:38:35Z
Comments Page numbers are not for citation purposes. Instead, this article has the unique article number of 113022.
Research Centre Centre for Quantum Dynamics; Institute for Glycomics
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Atomic and Molecular Physics
URI http://hdl.handle.net/10072/43018
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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