Abstract
In the case of one-way coupling, two-group transport theory specializes in a non-trivial way through the fact that additional discrete eigenfunctions occur within the range of continuous eigenfunctions. This problem is discussed in the present paper. Additional eigenvalues and eigenfunctions are presented. The full-range completeness theorem as well as the orthogonality and normalization relations are given. Expansion coefficients of the infinite-medium Green's function are presented as an example.
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Thielheim, K.O., Blöcker, W. Note on the two-group transport theory. Z. Physik 221, 9–16 (1969). https://doi.org/10.1007/BF01392059
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DOI: https://doi.org/10.1007/BF01392059