Theory of scattering of slow neutrons in magnetic crystals (in Russian)
The theory of slow neutron scattering was reviewed corisidering inelastic and critical scattering and polarization. The analysis is presented as a unified mathematical scheme corresponding to the Born approximation. By introducing the provisional Van Hove formalism, the problem of calculating scattering cross sections as solid angle and energy range units is reduced to a calculation of the Fourier component correlating the position of two atoms in the lattice at various moments of nuclear scattering and spin projection correlations for magnetic scattering. The mathematical apparatus for calculating various problems in the theory of scattering is given in the first chapter. The second chapter deals with elastic nuclear and magnetic scattering and the basis of structural neutronography. The third chapter is devoted to inelastic neutron scattering and single quantum scattering with an absorption or emission of only one phonon or magnon. The fourth chapter describes the properties of magnetic neutron scattering near the Curie point, and the fifth is concerned with polarized neutron scattering cross sections and variations of incident neutron beam polarization vectors.
- Research Organization:
- Originating Research Org. not identified
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-032987
- OSTI ID:
- 4688716
- Journal Information:
- Uspekhi Fizicheskikh Nauk (Russian Federation), Journal Name: Uspekhi Fizicheskikh Nauk (Russian Federation) Journal Issue: 5 Vol. 80; ISSN 0042-1294
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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Outline of neutron scattering formalism
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Related Subjects
ABSORPTION
ATOMS
BORN APPROXIMATION
CROSS SECTIONS
CRYSTALS
CURIE POINT
EMISSION
ENERGY
FERROMAGNETIC MATERIALS
FOURIER ANALYSIS
FOURIER COMPONENTS
LATTICES
MAGNETISM
MAGNONS
MATHEMATICS
NEUTRON SPECTROMETERS
NEUTRONS
NUMERICALS
PERTURBATION THEORY
PHONONS
POLARIZATION
QUANTUM MECHANICS
SCATTERING
SLOW NEUTRONS
SLOWDOWN
SOUND
SPECTRA
SPIN
TEMPERATURE
VAN HOVE THEORY
VECTORS