Two-dimensional frustrated spin systems in high magnetic fields

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dc.creatorSchmidt, Burkhard
dc.creatorShannon, Nic
dc.creatorThalmeier, Peter
dc.date2006-09-15
dc.date.accessioned2026-07-07T08:11:24Z
dc.date.available2026-07-07T08:11:24Z
dc.descriptionWe discuss our numerical results on the properties of the S = 1/2 frustrated J1-J2 Heisenberg model on a square lattice as a function of temperature and frustration angle phi = atan(J2/J1) in an applied magnetic field. We cover the full phase diagram of the model in the range -pi <= phi <= pi. The discussion includes the parameter dependence of the saturation field itself, and addresses the instabilities associated with it. We also discuss the magnetocaloric effect of the model and show how it can be used to uniquely determine the effective interaction constants of the compounds which were investigated experimentally.
dc.description4 pages, 5 figures, proceedings of RHMF 2006
dc.identifierhttps://arxiv.org/abs/cond-mat/0609381
dc.identifierhttp://arxiv.org/abs/cond-mat/0609381
dc.identifierJournal of Physics: Conference Series 51 (2006) 207
dc.identifierdoi:10.1088/1742-6596/51/1/048
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/132108
dc.subjectStrongly Correlated Electrons
dc.titleTwo-dimensional frustrated spin systems in high magnetic fields
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