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          Institute: MPI für Kernphysik     Collection: Theoretical Quantum Dynamics     Display Documents



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ID: 255982.0, MPI für Kernphysik / Theoretical Quantum Dynamics
Rapid refractive index enhancements via laser-mediated collectivity
Authors:Macovei, Mihai; Keitel, Christoph Helmut
Language:English
Date of Publication (YYYY-MM-DD):2005-10-14
Title of Journal:Journal of Physics B-Atomic Molecular and Optical Physics
Journal Abbrev.:J. Phys. B-At. Mol. Opt. Phys.
Volume:38
Issue / Number:19
Start Page:L315
End Page:L321
Copyright:IOP
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The collective interaction via the environmental vacuum is investigated for a mixture of two different multi-atom ensembles in a moderately intense laser field. Due to the numerous inter-atomic couplings, the laser-dressed system may react sensitively and rapidly with respect to changes in the atomic and laser parameters. We show for weak probe fields that in the absence of absorption both the index of refraction and the group velocity may be modified strongly and rapidly due to the collectivity.
External Publication Status:published
Document Type:Article
Communicated by:C.H. Keitel
Affiliations:MPI für Kernphysik/ Group C.H. Keitel/Quantum Interferences and Collective Quantum Dynamics (J. Evers)
External Affiliations:Tech Univ Moldova, Dept Phys, MD-2004 Kishinev, Moldova.
Identifiers:ISI:000233812600002 [ID No:1]
ISSN:0953-4075 [ID No:2]
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