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Mechanical effects of optical resonators on driven trapped atoms : ground-state cooling in a high-finesse cavity
Zippilli, Stefano (Universität Ulm. Abteilung für Quantenphysik)
Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física)
American Physical Society

Data: 2005
Resum: We investigate theoretically the mechanical effects of light on atoms trapped by an external potential, whose dipole transition couples to the mode of an optical resonator and is driven by a laser. We derive an analytical expression for the quantum center-of-mass dynamics, which is valid in presence of a tight external potential. This equation has broad validity and allows for a transparent interpretation of the individual scattering processes leading to cooling. We show that the dynamics is a competition of the mechanical effects of the cavity and of the laser photons, which may mutually interfere. We focus on the good-cavity limit and identify novel cooling schemes, which are based on quantum interference effects and lead to efficient ground-state cooling in experimentally accessible parameter regimes.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; Versió publicada
Publicat a: Physical review. A, Vol. 72, Issue 5 (November 2005) , p. 053408-1-053408-16, ISSN 1050-2947

DOI: 10.1103/PhysRevA.72.053408

16 p, 683.0 KB

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