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Article overview
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Multichannel quantum-defect theory for slow atomic collisions | Bo Gao
; Eite Tiesinga
; Carl J. Williams
; Paul S. Julienne
; | Date: |
10 Aug 2005 | Subject: | Atomic Physics; Chemical Physics | physics.atom-ph physics.chem-ph | Abstract: | We present a multichannel quantum-defect theory for slow atomic collisions that takes advantages of the analytic solutions for the long-range potential, and both the energy and the angular-momentum insensitivities of the short-range parameters. The theory provides an accurate and complete account of scattering processes, including shape and Feshbach resonances, in terms of a few parameters such as the singlet and the triplet scattering lengths. As an example, results for $^{23}$Na-$^{23}$Na scattering are presented and compared close-coupling calculations. | Source: | arXiv, physics/0508060 | Services: | Forum | Review | PDF | Favorites |
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