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Artikel
A new amplitude-phase method for analyzing
scattering solutions of the radial Dirac equation
| Författare: |
Thylwe, K.-E. |
| Dokumenttyp: |
Artikel |
| Tillstånd: |
Publicerad |
| Tidskrift: |
Journal of Physics A: Mathematical and Theoretical |
| Volym: |
41
115304 |
| År: |
2008 |
AbstractA novel amplitude-phase method for analyzing radial Dirac solutions is presented. This approach addresses the original coupled radial Dirac equations without first transforming them to decoupled second-order differential equations. As a reference test, the method is applied to the scattering problem of a Dirac particle (electron) in a long-range Coulomb 4-vector potential with zero space components. Numerical results for the partial-wave S-matrix are compared with those from an exact analytic S-matrix formula.
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