Aspects of the Schwinger multichannel variational formulation
- 1 July 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 38 (1) , 501-503
- https://doi.org/10.1103/physreva.38.501
Abstract
We present a discussion which should be helpful in clarifying some key steps in the formulation of a multichannel extension of Schwinger’s variational principle for electron-molecule collisions [K. Takatsuka and V. McKoy, Phys. Rev. A 30, 1734 (1984)].Keywords
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