Evanescent modes in a multiple scattering factorization
arXiv:cond-mat/9710051 · doi:10.1023/A:1021277321997
Abstract
We discuss differences between the exact S-matrix for scattering on serial structures and a known factorized expression constructed of single-element S-matrices. As an illustration, we use an exactly solvable model of a quantum wire with two point impurities.
A LaTeX file, 10 pages, with one ps figure; to appear in Czech.J.Phys