Magnetic inelastic scattering of neutrons by a ferromagnetic crystal |
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Authors: | R Subramaniam G Å Kharadze |
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Institution: | 1. Nuclear Physics Division, Atomic Energy Establishment Trombay, Bombay, India 2. Institute of Physics, Georgian SSR Academy of Sciences, Tbilissi, U.S.S.R.
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Abstract: | This paper deals with a theoretical investigation of the energy spectrum of thermal neutrons inelastically scattered by a ferromagnetic crystal. The method of double-time temperature-dependent Green’s functions is used. Formulæ are derived for the line width and for an asymmetry parameter leading to a deviation from the Lorentzian form. The results are discussed and compar d with earlier work. Special attention is paid to the question of the deviation of the energy distribution from the purely Lorentzian form. |
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