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Mössbauer Spectrum near the Critical Point
Author(s) -
Selyutin G. Ya.
Publication year - 1976
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220750124
Subject(s) - discontinuity (linguistics) , condensed matter physics , mössbauer spectroscopy , spectrum (functional analysis) , critical point (mathematics) , intensity (physics) , phase transition , physics , materials science , nuclear magnetic resonance , mathematics , quantum mechanics , mathematical analysis , nuclear physics
It is shown theoretically that the exchange narrowing of the Mössbauer line is induced by the magnetic phase transition in crystals. The discontinuity of the shift, the intensity of the Mössbauer spectrum, and the spin correlation function 〈 S i S j 〉 near the critical point are determined.