Flat-Phase Loading of a Bose-Einstein Condensate into an Optical Lattice

Shlomo E. Sklarz, Inbal Friedler, David J. Tannor, Yehuda B. Band, Carl J. Williams

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

It has been proposed that the adiabatic loading of a Bose-Einstein condensate (BEC) into an optical lattice via the Mott-insulator transition can be used to initialize a quantum computer [D. Jaksch et al., Phys. Rev. Lett. 81, 3108 (1998)]. The loading of a BEC into the lattice without causing band excitation is readily achievable; however, unless one switches on an optical lattice very slowly, the optical lattice causes a phase to accumulate across the condensate. We show analytically and numerically that a cancellation of this effect is possible by adjusting the harmonic trap force constant of the magnetic trap appropriately, thereby facilitating quick loading of an optical lattice for quantum computing purposes. A simple analytical theory is developed for a nonstationary BEC in a harmonic trap.

Original languageEnglish
Article number053620
Number of pages8
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume66
Issue number5
DOIs
StatePublished - 2002

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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