Proceedings of the International School of Physics "Enrico Fermi.", Volume 70N. Zanichelli, 1978 - Nuclear physics |
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Page 153
... solution of eqs . ( 4.13 ) and ( 4.14 ) then has oscillatory character . In the special case a = 0 , a solution is ( 4.17 ) H HT y = yH ̧t , ġ = 2луД , м sin 27H ̧t . a = This solution describes a Larmor precession of the wall moment at ...
... solution of eqs . ( 4.13 ) and ( 4.14 ) then has oscillatory character . In the special case a = 0 , a solution is ( 4.17 ) H HT y = yH ̧t , ġ = 2луД , м sin 27H ̧t . a = This solution describes a Larmor precession of the wall moment at ...
Page 178
... solutions appear in fig . 35 and 36. Figure 35 shows solutions for ve- 2 0 k = 0 Z / h V = V nuc V = 0 - Fig . 35. Theoretical ... solution becomes unstable , hence the term « break- down velocity » . br 2 V = Vor -2 -4 k = 1 V 178 J. C. ...
... solutions appear in fig . 35 and 36. Figure 35 shows solutions for ve- 2 0 k = 0 Z / h V = V nuc V = 0 - Fig . 35. Theoretical ... solution becomes unstable , hence the term « break- down velocity » . br 2 V = Vor -2 -4 k = 1 V 178 J. C. ...
Page 219
... solution ( 4.21 ) u1 ( T ) = exp [ itl ] into the set of equations in ( 4.19 ) gives the dispersion relations ( 4.22 ) ... solutions then be- comes - -- ( 4.24 ) u1 ( T ' ) = c1 exp [ it'l ] + c , exp [ — it'l ] , where c , and c , are ...
... solution ( 4.21 ) u1 ( T ) = exp [ itl ] into the set of equations in ( 4.19 ) gives the dispersion relations ( 4.22 ) ... solutions then be- comes - -- ( 4.24 ) u1 ( T ' ) = c1 exp [ it'l ] + c , exp [ — it'l ] , where c , and c , are ...
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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