Monte Carlo studies of slow relaxation in diluted antiferromagnets | Zendy

U. Nowak | Zendy; K. D. Usadel | Zendy

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Monte Carlo studies of slow relaxation in diluted antiferromagnets

Author(s) -

U. Nowak,

K. D. Usadel

Publication year - 1989

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.39.2516

Subject(s) - monte carlo method , condensed matter physics , magnetization , relaxation (psychology) , ising model , physics , domain (mathematical analysis) , remanence , domain wall (magnetism) , single domain , magnetic domain , statistical physics , materials science , magnetic field , quantum mechanics , psychology , social psychology , mathematical analysis , statistics , mathematics

Monte Carlo simulations of diluted Ising-type antiferromagnets in a uniform external magnetic field in three dimensions show rather strong irreversibilities in the magnetization and a slow relaxation of the remanent magnetization of the domain state. A detailed investigation of the domain state and its relaxation shows that for low temperatures domains are strongly pinned at vacancies and that relaxation primarily takes place in the domain walls.

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