Landau-Zener transitions in frozen pairs of Rydberg atoms

We have induced adiabatic transitions in pairs of frozen Rydberg sodium atoms of a supersonic beam. The diatomic ns+ns-->np+(n-1)p transition takes place in a time-dependent electric field and originates from the adiabatic change of the internal state of the pair induced by the dipole-dipole inte...

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Bibliographic Details
Published in:Physical review letters 2010-04, Vol.104 (13), p.133003-133003, Article 133003
Main Authors: Saquet, Nicolas, Cournol, Anne, Beugnon, Jérôme, Robert, Jacques, Pillet, Pierre, Vanhaecke, Nicolas
Format: Article
Language:English
Subjects:
ALGAE
ALKALI METALS
ATOMIC AND MOLECULAR PHYSICS
BEAMS
CHROMOPHYCOTA
DIATOMS
DIPOLES
ELECTRIC FIELDS
ELEMENTS
ENERGY LEVELS
EXCITED STATES
INTERACTIONS
LANDAU-ZENER FORMULA
METALS
MULTIPOLES
PLANTS
RYDBERG STATES
SODIUM
TIME DEPENDENCE
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Summary:We have induced adiabatic transitions in pairs of frozen Rydberg sodium atoms of a supersonic beam. The diatomic ns+ns-->np+(n-1)p transition takes place in a time-dependent electric field and originates from the adiabatic change of the internal state of the pair induced by the dipole-dipole interaction. This is experimentally achieved by sweeping an electric field across the energy degeneracy ns ns-np(n-1)p. Our results fully agree with a two-level Landau-Zener model in the diatom system.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.104.133003