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Investigation of Oguchi's procedure applied to the ising model
Author(s) -
Ferreira J. R. Faleiro,
Silva N. P.
Publication year - 1983
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.2221160119
Subject(s) - ising model , ferromagnetism , anisotropy , statistical physics , mathematics , chain (unit) , square lattice ising model , physics , condensed matter physics , quantum mechanics
Approximate critical temperature of the anisotropic ferromagnetic Ising model is calculated using the procedure proposed by Oguchi, with better results than those obtained by the use of Bogolyubov's principle. The calculation is made with linear and double chain trial Hamiltonians.