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cond-mat.mes-hall2012★ 23 cited
On geometry-dependent vortex stability and topological spin excitations on curved surfaces with cylindrical symmetry
Vagson L. Carvalho-Santos, Felipe A. Apolonio, Nemésio M. Oliveira-Neto
We study the Heisenberg Model on cylindrically symmetric curved surfaces. Two kinds of excitations are considered. The first is given by the isotropic regime, yielding the sine-Gor…
cond-mat.mes-hall2009★ 26 cited
A model for structural defects in nanomagnets
F. A. Apolonio, W. A. Moura-Melo, F. P. Crisafulli +2
A model for describing structural pointlike defects in nanoscaled ferromagnetic materials is presented. Its details are explicitly developed whenever interacting with a vortex-like…