Magnetic Vacancy Percolation in Dilute Antiferromagnets

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dc.creatorBarber, W. C.
dc.creatorYe, F.
dc.creatorBelanger, D. P.
dc.creatorFernandez-Baca, J. A.
dc.date2002-12-17
dc.date.accessioned2026-07-07T02:48:49Z
dc.date.available2026-07-07T02:48:49Z
dc.descriptionNeutron scattering experiments at the magnetic vacancy percolation threshold concentration, x_v, using the random-field Ising crystal Fe(0.76)Zn(0.24)F2, show stability of the transition to long-range order up to fields H=6.5 T. The observation of the stable long-range order corroborates the sharp boundary observed in computer simulations at x_v separating equilibrium critical scattering behavior at high magnetic concentration from low concentration hysteretic behavior. Low temperature H>0 scattering line shapes exhibit the dependence on the scattering wavevector expected for percolation threshold fractal structures.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0212428
dc.identifierhttp://arxiv.org/abs/cond-mat/0212428
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20555
dc.subjectDisordered Systems and Neural Networks
dc.subjectStatistical Mechanics
dc.titleMagnetic Vacancy Percolation in Dilute Antiferromagnets
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