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Phonon focussing patterns: Monte Carlo simulation of the motion of ballistic phonon beams in cubic crystals

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posted on 06.12.2019 by W.M. Gańcza, T. Paszkiewicz
Abstract We present a full end-user version of the program MCFOC which simulates ballistic phonon transport of quasimomentum and energy in crystalline media of cubic symmetry, media which have many important technological applications and are extensively studied. The program produces phonon energy and quasimomentum focussing patterns on an arbitrary oriented lattice plane and for a sample having the form of a perpendicular parallelepiped. The results of simulations can be applied to the analysis of ex... Title of program: MCFOC Catalogue Id: ADAQ_v1_0 Nature of problem During the last decade the spectroscopy of phonon images of crystalline solids has been developed. This spectroscopy provides information about phonon surfaces of constant energy which is not available from the familiar acoustic and neutron scattering measurements. From these phonon images one can infer information about the local geometrical properties of surfaces of constant energy of phonons [1] or knowledge to assist in the testing of the existing models of vibrational dynamics of crystallin ... Versions of this program held in the CPC repository in Mendeley Data ADAQ_v1_0; MCFOC; 10.1016/0010-4655(94)00149-V This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)

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