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Author Arimondo, E.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PHYSICS ♦ PHOTON-ATOM COLLISIONS ♦ RELAXATION ♦ GROUND STATES ♦ TRAPPING ♦ DENSITY MATRIX ♦ LASER RADIATION ♦ THREE-LEVEL SYSTEMS
Abstract The role played by a buffer gas in the ground-state superposition created in coherent-population-trapping experiments is investigated theoretically. The density matrix equations are solved on the basis of the coupled-noncoupled states. The velocity-changing collisions are examined in the limit of strong collisions. The relaxation rate for transfer of the ground-state superposition between atoms with different velocities is derived from a fit of available experimental results. {copyright} {ital 1996 The American Physical Society.}
ISSN 10502947
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-09-01
Publisher Place United States
Journal Physical Review A
Volume Number 54
Issue Number 3


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