Seminar

The report is devoted to current issues in the theory of long-wavelength neutron dispersion in matter. The well-known dispersion law is based on the summation of waves scattered by atomic nuclei in matter. The solution relies on a number of approximations. In particular, the Fermi pseudopotential is adopted as the neutron-nucleus interaction potential, the scattered wave is obtained in the first Born approximation, atomic nuclei are assumed to be uniformly distributed in matter, and secondary scattering is ignored.

The report provides a brief overview of existing corrections to the dispersion law. The applicability of the theory to the case of non-inertial systems, where matter moves with acceleration, is discussed in detail. The results and current status of theoretical research on this problem are presented. Prospects for numerically studying the dispersion law using distributed computing are considered.

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