Feshbach resonances in 3He*-4He* mixtures

M.R. Goosen, T.G. Tiecke, W. Vassen, S.J.J.M.F. Kokkelmans

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Abstract

We discuss the stability of homonuclear and heteronuclear mixtures of 3He and 4He atoms in the metastable 2 3S1 state (He*) and predict positions and widths of Feshbach resonances by using the asymptotic-bound-state model. All calculations are performed without fit parameters, using ab initio calculations of molecular potentials. One promising very broad Feshbach resonance (??B = 72.9+18.3 -19.3 mT) is found that allows for tuning of the interisotope scattering length.
Original languageEnglish
Article number042713
Pages (from-to)042713-1/10
Number of pages10
JournalPhysical Review A : Atomic, Molecular and Optical Physics
Volume82
Issue number4
DOIs
Publication statusPublished - 2010

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