Vortex coupler for atomic bose-einstein condensates

Karl Peter Marzlin; Weiping Zhang; Ewan M. Wright

doi:10.1103/PhysRevLett.79.4728

Vortex coupler for atomic bose-einstein condensates

Karl Peter Marzlin, Weiping Zhang, Ewan M. Wright

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181 Scopus citations

Abstract

A coherent coupler is proposed to spin a Bose-Einstein condensate composed of ultracold alkali atoms into a vortex state. The proposal is based on a Raman transition induced by two copropagating σ⁺ and σ⁻ polarized Laguerre-Gaussian laser beams with different frequencies. We show that the transfer of angular momentum of photons to the condensed atoms through a Raman transition leads to a coherent coupling of the ground-state condensate to a rotating condensate in a vortex state. The detection of such a vortex state is discussed. 1997

Original language	English (US)
Pages (from-to)	4728-4731
Number of pages	4
Journal	Physical review letters
Volume	79
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.79.4728
State	Published - Jan 1 1997

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.79.4728

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AU - Wright, Ewan M.

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AB - A coherent coupler is proposed to spin a Bose-Einstein condensate composed of ultracold alkali atoms into a vortex state. The proposal is based on a Raman transition induced by two copropagating σ+ and σ− polarized Laguerre-Gaussian laser beams with different frequencies. We show that the transfer of angular momentum of photons to the condensed atoms through a Raman transition leads to a coherent coupling of the ground-state condensate to a rotating condensate in a vortex state. The detection of such a vortex state is discussed. 1997

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Vortex coupler for atomic bose-einstein condensates

Abstract

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