Multichannel quantum-defect theory for magnetic Feshbach resonances in heteronuclear group-I systems

Constantinos Makrides and Bo Gao
Phys. Rev. A 89, 062718 – Published 27 June 2014

Abstract

We present a multichannel quantum-defect theory for magnetic Feshbach resonances in the interaction of two heteronuclear group-I atoms. The theory provides a unified and a uniform description of resonances in all partial waves and enables the characterization of a large number of resonances in terms of very few parameters. For the sample system of Li6 K40, we present descriptions of all resonances in aa, ab, and ba channels, in partial waves s (l=0) through h (l=5), and in a magnetic field of 0–1000 G. All resonances, including those in nonzero partial waves, are fully characterized using the newly developed parametrization of Gao [Phys. Rev. A 84, 022706 (2011)].

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  • Received 16 April 2014

DOI:https://doi.org/10.1103/PhysRevA.89.062718

©2014 American Physical Society

Authors & Affiliations

Constantinos Makrides* and Bo Gao

  • Department of Physics and Astronomy, University of Toledo, Mailstop 111, Toledo, Ohio 43606, USA

  • *constantinos.makrides@rockets.utoledo.edu
  • bo.gao@utoledo.edu; http://bgaowww.physics.utoledo.edu

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Vol. 89, Iss. 6 — June 2014

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