Nonlinear susceptibilities of a weakly-disordered uniaxial ferromagnet in the critical region

For the three-dimensional random Ising model, the effective sextic coupling constant v_6 and the nonlinear susceptibilities of the fourth (chi_4) and sixth (chi_6) orders are calculated at criticality. These quantities are shown to differ markedly from their counterparts for pure uniaxial magnets. I...

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Veröffentlicht in:	arXiv.org 2002-06
Hauptverfasser:	Pakhnin, D V, Sokolov, A I, Shalaev, B N
Format:	Artikel
Sprache:	eng
Schlagworte:	Equations of state Ferromagnetism Ising model Magnets Three dimensional models
Online-Zugang:	Volltext
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