Quantum Magnets with Anisotropic Infinite Range Random Interactions

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dc.creatorArrachea, Liliana
dc.creatorRozenberg, Marcelo J.
dc.date2004-12-22
dc.date.accessioned2026-07-25T23:22:23Z
dc.descriptionUsing exact diagonalization techniques we study the dynamical response of the anisotropic disordered Heisenberg model for systems of S=1/2 spins with infinite range random exchange interactions at temperature T=0. The model can be considered as a generalization, to the quantum case, of the well known Sherrington-Kirkpatrick classical spin-glass model. We also compute and study the behavior of the Edwards Anderson order parameter and energy per spin as the anisotropy evolves from the Ising to the Heisenberg limits.
dc.descriptionTo appear in a special issue of Biophysical Chemistry
dc.identifierhttps://arxiv.org/abs/cond-mat/0412632
dc.identifierhttp://arxiv.org/abs/cond-mat/0412632
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/97872
dc.subjectDisordered Systems and Neural Networks
dc.subjectStatistical Mechanics
dc.titleQuantum Magnets with Anisotropic Infinite Range Random Interactions
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