Non-equilibrium Relaxation Study of Ferromagnetic Transition in Double-Exchange Systems

Details Non-equilibrium Relaxation Study of Ferromagnetic Transition in Double-Exchange Systems Non-equilibrium Relaxation Study of Ferromagnetic Transition in Double-Exchange Systems

2001-06-14

arxiv.org/abs/cond-mat/0106266v1

J. Phys. Soc. Jpn. 70, 2802 (2001)

Physics

Condensed Matter

Strongly Correlated Electrons

3 pages including 1 figure, submitted to J. Phys. Soc. Jpn

Scientific paper

10.1143/JPSJ.70.2802

Ferromagnetic transition in double-exchange systems is studied by non-equilibrium relaxation technique combined with Monte Carlo calculations. Critical temperature and critical exponents are estimated from relaxation of the magnetic moment. The results are consistent with the previous Monte Carlo results in thermal equilibrium. The exponents estimated by these independent techniques suggest that the universality class of this transition is the same as that of short-range interaction models but is different from the mean-field one.

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