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Dynamic and thermodynamic properties of solid helium in the reduced all‐neighbours approximation of the self‐consistent phonon theory
Author(s) -
MalinowskaAdamska C.,
Słoma P.,
Tomaszewski J.
Publication year - 2003
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.200301871
Subject(s) - phonon , thermodynamics , helium , physics , statistical physics , condensed matter physics , quantum mechanics
The results of studies of physical properties of solid helium obtained with the help of the reduced all‐neighbours approximation of the self‐consistent phonon theory are presented. The results of calculation of the temperature and pressure variations of the quantities describing the dynamics and thermodynamics of solid He‐3 and He‐4 obtained in terms of the (exp m ) Buckingham the ( n m ) Lennard‐Jones and the (exp exp) Morse renormalized potentials are given and compared with experimental and other theoretical data. (© 2003 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)