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Mean Field Renormalization Group and Path‐Integral Methods for Spin‐One Disordered Ising Model in a Transverse Field
Author(s) -
Yang C. Z.,
Song W. J.
Publication year - 1991
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.2221660129
Subject(s) - ising model , renormalization group , square lattice ising model , physics , path integral formulation , discretization , renormalization , mean field theory , lattice (music) , density matrix renormalization group , functional renormalization group , critical dimension , condensed matter physics , mathematical physics , statistical physics , mathematics , quantum mechanics , mathematical analysis , quantum , acoustics
Abstract A new approximate scheme which is combined by mean field renormalization group theory (MFRG) with the discretized path‐integral renormalization (DPIR) is employed in the study of the disordered transverse Ising model. The critical properties of random bonds spin‐one Ising systems on a d ‐dimensional lattice are calculated with this new approximate scheme.