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A self‐consistent approximation for the random‐field ising model. Phase diagram d ≧ 3
Author(s) -
Janiš V.
Publication year - 1986
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.2221340118
Subject(s) - ising model , phase diagram , condensed matter physics , square lattice ising model , lattice (music) , statistical physics , physics , random field , field (mathematics) , phase (matter) , mathematics , quantum mechanics , statistics , pure mathematics , acoustics
A self‐consistent approximation is given accounting for both, the imensionality nd lattice structure effects for the free energy of the Ising model in a quenched random magnetic field. The phase diagram for the bimodal distribution of the random field is displayed.