Magnetization Process of the Classical Heisenberg Model on the Shastry-Sutherland Lattice - Condensed Matter > Strongly Correlated ElectronsReportar como inadecuado




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Abstract: We investigate classical Heisenberg spins on the Shastry-Sutherland latticeand under an external magnetic field. A detailed study is carried out bothanalytically and numerically by means of classical Monte-Carlo simulations.Magnetization pseudo-plateaux are observed around 1-3 of the saturationmagnetization for a range of values of the magnetic couplings. We show that theexistence of the pseudo-plateau is due to an entropic selection of a particularcollinear state. A phase diagram that shows the domains of existence of thosepseudo-plateaux in the $h, T$ plane is obtained.



Autor: M.Moliner, D.C. Cabra, A. Honecker, P.Pujol, F. Stauffer

Fuente: https://arxiv.org/



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