Abstract
A Coulomb equivalent screened Coulomb potential is proposed for solving the Schrödinger equation and/or the Calogero first order differential equation, where some critical range bands are obtained. Phase shifts for “any” two-charged particle system (from electron–electron to heavy ion–heavy ion) are reproduced by using the universal critical range bands and the appropriate Sommerfeld parameter over a very wide energy region. A Coulomb-like off-shell amplitude is introduced using two-potential theory without employing the usual Coulomb renormalization method.
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This article belongs to the Topical Collection “30th anniversary of Few-Body Systems”.
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Watanabe, T., Hiratsuka, Y., Oryu, S. et al. A New Feature of the Screened Coulomb Potential in Momentum Space. Few-Body Syst 58, 80 (2017). https://doi.org/10.1007/s00601-017-1238-x
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DOI: https://doi.org/10.1007/s00601-017-1238-x