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Coherent population trapping with controlled interparticle interactions

We investigate coherent population trapping in a strongly interacting ultracold Rydberg gas. Despite the strong van der Waals interactions and interparticle correlations, we observe the persistence of a resonance with subnatural linewidth at the single-particle resonance frequency as we tune the int...

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Bibliographic Details
Main Authors: Schempp, Hanna (Author) , Günter, Georg (Author) , Hofmann, Christoph S. (Author) , Giese, C. (Author) , Saliba, S. D. (Author) , DePaola, B. D. (Author) , Amthor, Thomas (Author) , Weidemüller, Matthias (Author) , Sevinçli, S. (Author) , Pohl, T. (Author)
Format: Article (Journal)
Language:English
Published: 29 April 2010
In: Physical review letters
Year: 2010, Volume: 104, Issue: 17, Pages: 1-4
ISSN:1079-7114
DOI:10.1103/PhysRevLett.104.173602
Online Access:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.104.173602
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.104.173602
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Author Notes:H. Schempp, G. Günter, C.S. Hofmann, C. Giese, S.D. Saliba, B.D. DePaola, T. Amthor, and M. Weidemüller, S. Sevinçli and T. Pohl
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Summary:We investigate coherent population trapping in a strongly interacting ultracold Rydberg gas. Despite the strong van der Waals interactions and interparticle correlations, we observe the persistence of a resonance with subnatural linewidth at the single-particle resonance frequency as we tune the interaction strength. This narrow resonance cannot be understood within a mean-field description of the strong Rydberg-Rydberg interactions. Instead, a many-body density matrix approach, accounting for the dynamics of interparticle correlations, is shown to reproduce the observed spectral features.
Item Description:Gesehen am 06.06.2023
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.104.173602

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