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An approximate shape-independent relation at Feshbach resonance |
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| Authors: | Rajat K. Bhaduri Michael Seidl |
| Affiliation: | a Department of Physics and Astronomy, McMaster University, Hamilton, Canada L8S 4M1 b Institute of Theoretical Physics, University of Regensburg, D-93040 Regensburg, Germany c Institue of Physics, Bhubaneswar 751005, India |
| Abstract: | The product of the strength and the square of the range of a potential has a characteristic shape-dependent value to support only one bound state at zero energy. This variation is tracked in terms of a shape factor, and a relation is derived that is approximately shape-independent. |
| Keywords: | 02.30.Em 34.20.Cf 34.50.-s |
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