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Lattice Constant Fluctuations in Anharmonic Crystals
Author(s) -
Wojtczak L.,
Siklós T.,
Mrygon B.,
Mielnicki J.
Publication year - 1982
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.2221090206
Subject(s) - anharmonicity , condensed matter physics , lattice constant , phonon , physics , constant (computer programming) , square lattice , lattice (music) , mean squared displacement , position (finance) , quantum mechanics , statistical physics , diffraction , molecular dynamics , finance , computer science , acoustics , ising model , economics , programming language
A model of lattice constant fluctuations in crystals is discussed in self‐consistent phonon theory. The influence of fluctuations on the mean square displacement of atoms from their equilibrium position is considered. The fluctuation effects connected with correlations are also included.