Abstract
The standard one-particle Green function (GF) is extended to account for scattering from open-shell many-body targets. This extended GF possesses a self-energy which is an exact optical potential (OP) for scattering from open-shell targets. Furthermore, to each scattering process with well-defined quantum numbers there is a specific OP, thus reducing the multichannel problem to single-channel ones. As an explicit example we work out, in detail, the scattering of spin-1/2 projectiles from open-shell targets.
| Original language | English |
|---|---|
| Pages (from-to) | L303-L308 |
| Journal | Journal of Physics A: Mathematical and General |
| Volume | 35 |
| Issue number | 22 |
| DOIs | |
| State | Published - 7 Jun 2002 |
| Externally published | Yes |
ASJC Scopus subject areas
- Statistical and Nonlinear Physics
- Mathematical Physics
- General Physics and Astronomy
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