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Poster (Scientific congresses and symposiums)
Influence of dipole-dipole interactions on superradiance
Damanet, François; Martin, John
2013COQUS Summerschool
 

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Keywords :
Dissipative dynamics; superradiance
Abstract :
[en] Superradiance, known as the cooperative spontaneous emission of a directional light pulse by excited atoms placed in vacuum, has recently regained attention in the context of photon localization [1] and single photon cooperative emission [2]. The dissipative dynamics of the atoms is known to depend dramatically on the ratio between the typical inter- atomic distance and the atomic transition wavelength, notably because of dipole-dipole interactions [3]. In this work, we study the effects of these interactions on superradiance as in [4] by solving numerically the corresponding master equation. In particular, by averaging over many realizations of the randomly distributed atomic positions, we show that the decay of the radiated energy pulse height with the intensity of the dipolar coupling follows a power law. [1] E. Ackermans, A. Gero & R. Kaiser, Phys. Rev. Lett. 101, 103602 (2008). [2] R. Friedberg & J. T. Manassah, J. Phys. B 43, 035501 (2010). [3] M. Gross & S. Haroche, Physics reports 93, 301-396 (1982). [4] B. Coffey & R. Friedberg, Phys. Rev. A 17, 1033 (1978).
Disciplines :
Physics
Author, co-author :
Damanet, François  ;  Université de Liège - ULiège > Département de physique > Optique quantique
Martin, John  ;  Université de Liège - ULiège > Département de physique > Optique quantique
Language :
English
Title :
Influence of dipole-dipole interactions on superradiance
Alternative titles :
[fr] Influence des interactions dipôle-dipôle sur la superradiance
Publication date :
02 September 2013
Number of pages :
A0
Event name :
COQUS Summerschool
Event organizer :
Vienna University of Technology
Event place :
Vienna, Austria
Event date :
du 2 septembre 2013 au 6 septembre 2013
Audience :
International
Tags :
CÉCI : Consortium des Équipements de Calcul Intensif
Funders :
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS, CECI
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