It is shown that multi-configurational spin-coupled wavefunctions can be optimized selectively to represent the closed channels of Feshbach resonances in a generalized minimax formulation. The resulting method is then demonstrated for resonances of He and He-.
|Number of pages||7|
|Journal||Journal of Physics B: Atomic, Molecular and Optical Physics|
|Publication status||Published - 28 Apr 1999|
- SADDLE-POINT METHOD
- AUTOIONIZING STATES
- EXCITED RESONANCES