Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 150
... equation with Gilbert damping , the com- ponents of precession rate , sin are related to the torque components by the equations ( 4.2 ) ( 4.3 ) Ÿ Sw / 80 = ( My ) ( sin - αŮ ) , ( 8/8 ) | sin 0 = − ( M | r ) ( 0 + ap sin0 ) , where γ ...
... equation with Gilbert damping , the com- ponents of precession rate , sin are related to the torque components by the equations ( 4.2 ) ( 4.3 ) Ÿ Sw / 80 = ( My ) ( sin - αŮ ) , ( 8/8 ) | sin 0 = − ( M | r ) ( 0 + ap sin0 ) , where γ ...
Page 166
... equation of motion ( 6.10 ) = dP / dt 2 My - 1 dy / dt = F ( for S = 0 or u = 0 ) : This equation , with H = 0 , has been derived directly from the Landau - Lifshitz- Gilbert equation [ 36 ] . For the remainder of this subsection we ...
... equation of motion ( 6.10 ) = dP / dt 2 My - 1 dy / dt = F ( for S = 0 or u = 0 ) : This equation , with H = 0 , has been derived directly from the Landau - Lifshitz- Gilbert equation [ 36 ] . For the remainder of this subsection we ...
Page 167
fundamental equation of motion for a closed domain of general shape and general S. Note that , if we choose the cuts to move with the domain , then the last term of this equation represents a Lorentz - like force tending to deflect it ...
fundamental equation of motion for a closed domain of general shape and general S. Note that , if we choose the cuts to move with the domain , then the last term of this equation represents a Lorentz - like force tending to deflect it ...
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absorption angle anisotropy constants antiferromagnetic Appl axis birefringence Bloch lines Bloch point bubble calculated cation cm-¹ Co² Co³ coefficient concentration contribution crystal field cubic Curie temperature curve diamagnetic dichroism direction of magnetization domain wall effects electron energy levels equations exchange experimental Fe2+ Fe³ ferrimagnetic ferromagnetic resonance film formula unit frequency GELLER GILLEO given Hamiltonian interaction ion moments Journ K₁ lattice constant line width linear magnetic anisotropy magnetic field magneto-optical magnetoelastic magnons measurements modes neutron diffraction observed obtained octahedral octahedral sites optical orbital oxygen paramagnetic parameters phonons photoinduced photomagnetic Phys polarization polycrystalline properties rare-earth ions rare-earth iron garnets relaxation resonance room temperature rotation sample shown in fig sin² specimens spin wave spin-orbit coupling spontaneous magnetization sublattice substitution surface symmetry temperature dependence tetrahedral theory tion torque transitions uniaxial anisotropy valence values vector velocity yttrium iron garnet