2011•Journal of Contemporary Physics (Armenian Academy of Sciences)Requires access
Amplitudes of multichannel scattering on a two-dimensional potential barrier with constant height
David M. Sedrakian, Л. Р. Седракян, A. V. Margaryan
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Abstract
The immersing method is applied to solve the N-channel scattering problem for concrete potential. In particular, we consider the particle scattering on a two-dimensional potential barrier, which is constant in the scattering direction and arbitrary in the cross-section direction. For this case the scattering amplitudes t m and r m (1,2, m= ...,N) are determined. A transition from the obtained formulas to the case of ™-potential is performed. For this case transmission amplitudes t m and reflection amplitudes r m are obtained. It is also shown that the product of transmission and reflection amplitudes along the channel m does not depend on the scattering channel.