Analytical model of overlapping Feshbach resonances
نویسندگان
چکیده
منابع مشابه
Feshbach Resonances in 3
We discuss the stability of homonuclear and heteronuclear mixtures of 3He and 4He atoms in the metastable 2 S1 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 ...
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T. V. Tscherbul,1,2,* T. Calarco,3 I. Lesanovsky,4 R. V. Krems,5 A. Dalgarno,1,2 and J. Schmiedmayer6 1Harvard-MIT Center for Ultracold Atoms, Cambridge, Massachusetts 02138, USA 2ITAMP, Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138, USA 3Institute of Quantum Information Processing, Ulm University, D-89081 Ulm, Germany 4School of Physics and Astronomy, The Universi...
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In collisions at ultralow temperatures, molecules will possess Feshbach resonances, foreign to ultracold atoms, whose virtual excited states consist of rotations of the molecules. We estimate the mean spacing and mean widths of these resonant states, exploiting the fact the molecular collisions at low energy display chaotic motion. As examples, we consider the experimentally relevant molecules ...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2013
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.88.052701