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Critical Exponents in the Dynamics of an Isotropic Magnetic System near its Transition Temperature
Author(s) -
Villain J.
Publication year - 1968
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.19680260213
Subject(s) - critical exponent , exponent , scaling , isotropy , condensed matter physics , physics , statistical physics , ferromagnetism , relaxation (psychology) , critical phenomena , zero (linguistics) , dynamics (music) , magnetic relaxation , phase transition , mathematics , magnetization , magnetic field , quantum mechanics , geometry , psychology , social psychology , linguistics , philosophy , acoustics
Our model for critical magnetic relaxation [1, 7] is extended to the case when the static critical exponent η is not zero. It is applied to the derivation of dynamical scaling laws from weak assumptions. The dynamical critical exponent is found to depend on η in ferromagnets, but not in antiferromagnets.