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核与粒子物理学术报告会 61

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 Nuclear and Particle Physics Colloquium 61
(核与粒子物理学术报告会 61)

Speaker: O.A. Rubtsova (Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University)

Title:
Solving scattering problems by using spectral methods

Time: 10:00 am, October 11th (Thursday), 2018

Location: Main building 513

Abstract:

The efficient technique for treating scattering problems by using the discretized spectral expansion for the total Hamiltonian is discussed.  Here the stationary wave packet formalism is employed and a diagonalization procedure for the total Hamiltonian in such a basis. As a result, multi-channel off-mass-shell T-matrix and scattering amplitudes are found at many energies simultaneously without solving any scattering equations at all. As illustrations, some examples from atomic and nuclear physics are presented.

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