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  Long Distance Coupling of a Quantum Mechanical Oscillator to the Internal States of an Atomic Ensemble

Vogell, B., Kampschulte, T., Rakher, M. T., Faber, A., Treutlein, P., Hammerer, K., et al. (2015). Long Distance Coupling of a Quantum Mechanical Oscillator to the Internal States of an Atomic Ensemble. New Journal of Physics, 17: 043044. doi:10.1088/1367-2630/17/4/043044.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-9FD0-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-9FD1-0
Genre: Journal Article

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Vogell, B., Author
Kampschulte, T., Author
Rakher, M. T., Author
Faber, A., Author
Treutlein, P., Author
Hammerer, K.1, Author              
Zoller, P., Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Free keywords: Quantum Physics, quant-ph
 Abstract: We propose and investigate a hybrid optomechanical system consisting of a micro-mechanical oscillator coupled to the internal states of a distant ensemble of atoms. The interaction between the systems is mediated by a light field which allows to couple the two systems in a modular way over long distances. Coupling to internal degrees of freedom of atoms opens up the possibility to employ high-frequency mechanical resonators in the MHz to GHz regime, such as optomechanical crystal structures, and to benefit from the rich toolbox of quantum control over internal atomic states. Previous schemes involving atomic motional states are rather limited in both of these aspects. We derive a full quantum model for the effective coupling including the main sources of decoherence. As an application we show that sympathetic ground-state cooling and strong coupling between the two systems is possible.

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 Dates: 2014-12-162015
 Publication Status: Published in print
 Pages: 14 pages, 5 figures
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 1412.5095
DOI: 10.1088/1367-2630/17/4/043044
URI: http://arxiv.org/abs/1412.5095
 Degree: -

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Title: New Journal of Physics
  Abbreviation : New J. Phys.
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 17 Sequence Number: 043044 Start / End Page: - Identifier: ISSN: 1367-2630
CoNE: https://pure.mpg.de/cone/journals/resource/954926913666