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Average Atomic Displacements for Lattices with Inversion Symmetry
Author(s) -
Shukla R. C.,
Muller E. R.
Publication year - 1970
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.19700390223
Subject(s) - inversion (geology) , point reflection , lattice (music) , thermal , crystal structure , physics , symmetry (geometry) , condensed matter physics , geometry , mathematics , geology , thermodynamics , chemistry , crystallography , paleontology , structural basin , acoustics
The thermal average of atomic displacements of a crystal lattice is obtained through the use of thermodynamic Green functions. It is shown that this thermal average is zero for lattices with inversion symmetry.