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antiferromagnet XY Model Solitons quantum phase transition TMMC Soliton frustration One dimensional memory function two dimensions Heisenberg model transport antiferomagnet Quantum antiferromagnet bidimensional Self consistent harmonic approximation one-dimensional antiferromagnet Frustrated model biquadratic ferromagnet unidimensional Vórtices Dynamical Correlation Vortex 2D ferromagnet Dinamica ferroquadrupolar topological insulators checkerboard lattice antiferromagnetic chains Anisotropia one dimension staggered field one dimensional antiferromagnet Kosterlitz- Thouless transition easy plane antiferromagnet spin transport Green function topology Kosterlitz-Thouless xy ferromagnet Onsager reaction field transverse Ising model xy antiferromagnet sigma model KDP diluted antiferromagnet Monte Carlo spin Peierls nonlinear sigma model topological excitations spin-phonon magnon-phonon interaction phase transition Honeycomb lattice triangular lattice uni dimensional modelo sigma não linear Excitacoes Topologicas classical XY model Magnetismo linear chain quantum xy model easy plane ferromagnet central peak Ising model in a transverse field n-pole approximation Ising model continued fraction anisotropic ferromagnet easy-axis model Dzyaloshinskii-Moryia Lieb lattice one-dimensional ferromagneto modelo de Heisenberg Magnetism easy-plane Dzyaloshinski Moryia long range interaction bilayer diagramas de Feynmam Modelo de Ising incomensurável diagramas de Feynman impurezas Cellular Automata Historia da Fisica física de partículas Geometria Diferencial spin models Universo Easy axis CsNiF3 easy plane magnets XXZ model plane rotator Moryia -Dzyaloshinski interaction Ising system electret anisotropic planar model Rochelle Salt CsHPO4 classical Heisenberg model ferroeletrics CsMnBr quasi periodic easy-plane ferromagnet soliton-magno random antiferromagnet caos easy axis ferromagnet exchange renormalization magnon mode alternating spin chain low diemsional magnet supercondutivity faixa de energia ferromagneto unidimensional Kondo-Yamaji integral de caminho Computational Physics Moryia-Dzyaloshinski antisymmetric exchange interaction EPR linewidth teo-dimensional Dzyaloshinski Moriya magnon vortex interaction josephson junctions long range interactions spin dynamics classical model carnauba wax classical ferromagnet NMR spinons Skyrmion union jack lattice Nematic Phase cristais liquidos magnetismo quântico diferential geometry alternating chain spin-wave damping casimir energy Haldane gap ferrimagnet quantum Monte Carlo compass model Higgs mode Spin Nerst