IMPROVED MINIMUM PRINCIPLE FOR MULTICHANNEL SCATTERING
If the open-channel target states are known, the minimum principle formulation of scattering theory provides a systematic monotonic approach, with arbitrary precision, to the reactance matrix K. The scattering wave function and the Green's function for the open-channel approximation, in which the closed channels are not taken into account at all, must be solved numerically. An explicit method for constructing the Green's function is given. The minimum principle approach is probably limited at present, in practice though not in principle, to the three-body problem with just a few open channels. A very useful simplification is possible at the threshold for a new channel; one need not there include the new channel in the equations that must be solved exactly. (auth)
- Research Organization:
- New York Univ., New York
- NSA Number:
- NSA-18-021050
- OSTI ID:
- 4006263
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 134; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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