Effects of static and random magnetic fields on atoms in a gray optical lattice

Authors: Morrow, N.; Dutta, S.; Raithel, G.

Source: Laser Physics, Volume 17, Number 7, July 2007 , pp. 948-955(8)

Publisher: MAIK Nauka/Interperiodica

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Abstract:

We study magnetic field-induced modifications of the well-to-well tunneling behavior of atoms in a one-dimensional grey optical lattice. Measurements of the tunneling frequency as a function of the applied magnetic field reveal several tunneling resonances. We further show that the tunneling signal can be suppressed by randomly varying the symmetry of the potential wells. The tunneling is suppressed most effectively if the autocorrelation time of the lattice-well variation is on the order of the tunneling time. Experimental and theoretical results are in good agreement.

Keywords: 03.65.Xp; 32.80.Lg

Document Type: Research article

DOI: http://dx.doi.org/10.1134/S1054660X07070080

Affiliations: 1: Email: graithel@umich.edu

Publication date: 2007-07-01