Gravity-induced Wannier-Stark ladder in an optical lattice

J. Zapata, A. M. Guzmán, M. G. Moore, P. Meystre

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

A Floquet representation of the Wannier atomic states was employed for the calculation of Wannier-Stark ladders induced by gravity on atoms in optical lattices. The widths of the Wannier-Stark ladder of resonances were obtained by the dynamics of ultracold atoms in an optical potential. The rate transition to the continuum was obtained by the width of the resonances. A physical model was developed for the Wannier states including the eigenstates of the system in the absence of gravitational field.

Original languageEnglish (US)
Pages (from-to)23607-23601
Number of pages7
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume63
Issue number2
DOIs
StatePublished - Feb 1 2001

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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