Feshbach resonances in 3He*-4He* mixtures

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

doi:10.1103/PhysRevA.82.042713

Feshbach resonances in 3He-4He mixtures

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

Coherence and Quantum Technology

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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 language	English
Article number	042713
Pages (from-to)	042713-1/10
Number of pages	10
Journal	Physical Review A: Atomic, Molecular and Optical Physics
Volume	82
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.82.042713
Publication status	Published - 2010

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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.",

author = "M.R. Goosen and T.G. Tiecke and W. Vassen and S.J.J.M.F. Kokkelmans",

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AU - Vassen, W.

AU - Kokkelmans, S.J.J.M.F.

PY - 2010

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AB - 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.

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DO - 10.1103/PhysRevA.82.042713

M3 - Article

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JF - Physical Review A: Atomic, Molecular and Optical Physics

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Feshbach resonances in 3He*-4He* mixtures

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Feshbach resonances in 3He-4He mixtures