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  An experimental approach for investigating many-body phenomena in Rydberg-interacting quantum systems

Hofmann, C. S., Günter, G., Schempp, H., Müller, N. L. M., Faber, A., Busche, H., et al. (2014). An experimental approach for investigating many-body phenomena in Rydberg-interacting quantum systems. Frontiers of Physics, 9(5), 571-586. doi:10.1007/s11467-013-0396-7.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-24C5-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-0E86-3
Genre: Journal Article

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1307.1074v1.pdf (Preprint), 6MB
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2013
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© C. S. Hofmann et al.

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https://arxiv.org/abs/1307.1074 (Preprint)
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http://dx.doi.org/10.1007/s11467-013-0396-7 (Publisher version)
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 Creators:
Hofmann, C. S.1, Author
Günter, G.1, Author
Schempp, H.1, Author
Müller, Nele L. M.1, 2, 3, Author              
Faber, A.1, 4, Author
Busche, H.1, 5, Author
Robert-de-Saint-Vincent, M.1, Author
Whitlock, S.1, Author
Weidemüller, M.1, Author
Affiliations:
1Physikalisches Institut, Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany, ou_persistent22              
2Center for Free-Electron Laser Science, DESY, Notkestrasse 85, 22607 Hamburg, Germany, ou_persistent22              
3International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              
4Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland, ou_persistent22              
5Joint Quantum Centre (JQC) Durham-Newcastle, Department of Physics, Durham University, Rochester Building, South Road, Durham DH1 3LE, United Kingdom, ou_persistent22              

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Free keywords: ultracold Rydberg gases; ultracold plasmas; Bose-Einstein condensation; atom-light interactions; many-body interactions; PACS numbers: 32.80.Ee, 32.80.Qk, 34.80.Dp, 37.10.De, 67.85.-d, 67.85.Hj
 Abstract: Recent developments in the study of ultracold Rydberg gases demand an advanced level of experimental sophistication, in which high atomic and optical densities must be combined with excellent control of external fields and sensitive Rydberg atom detection. We describe a tailored experimental system used to produce and study Rydberg-interacting atoms excited from dense ultracold atomic gases. The experiment has been optimized for fast duty cycles using a high flux cold atom source and a three beam optical dipole trap. The latter enables tuning of the atomic density and temperature over several orders of magnitude, all the way to the Bose-Einstein condensation transition. An electrode structure surrounding the atoms allows for precise control over electric fields and single-particle sensitive field ionization detection of Rydberg atoms. We review two experiments which highlight the influence of strong Rydberg-Rydberg interactions on different many-body systems. First, the Rydberg blockade effect is used to pre-structure an atomic gas prior to its spontaneous evolution into an ultracold plasma. Second, hybrid states of photons and atoms called dark-state polaritons are studied. By looking at the statistical distribution of Rydberg excited atoms we reveal correlations between dark-state polaritons. These experiments will ultimately provide a deeper understanding of many-body phenomena in strongly-interacting regimes, including the study of strongly-coupled plasmas and interfaces between atoms and light at the quantum level.

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Language(s): eng - English
 Dates: 2013-07-032013-09-302013-11-152014-10
 Publication Status: Published in print
 Pages: 16
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s11467-013-0396-7
arXiv: 1307.1074
 Degree: -

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Title: Frontiers of Physics
Source Genre: Journal
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Publ. Info: Bejing : Higher Education Press
Pages: - Volume / Issue: 9 (5) Sequence Number: - Start / End Page: 571 - 586 Identifier: Other: 2095-0462
CoNE: https://pure.mpg.de/cone/journals/resource/20950462