Using atomic interference to probe atom-surface interaction

Details Using atomic interference to probe atom-surface interaction Using atomic interference to probe atom-surface interaction

2000-01-06

arxiv.org/abs/physics/0001015v1

R. Marani et al., Phys. Rev. A, 61, (2000), 053402

Physics

Atomic Physics

11 pages, including 6 figures, submitted to Phys. Rev. A, RevTeX source

Scientific paper

10.1103/PhysRevA.61.053402

We show that atomic interference in the reflection from two suitably polarized evanescent waves is sensitive to retardation effects in the atom-surface interaction for specific experimental parameters. We study the limit of short and long atomic de Broglie wavelength. The former case is analyzed in the semiclassical approximation (Landau-Zener model). The latter represents a quantum regime and is analyzed by solving numerically the associated coupled Schroedinger equations. We consider a specific experimental scheme and show the results for rubidium (short wavelength) and the much lighter meta-stable helium atom (long wavelength). The merits of each case are then discussed.

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