## Dynamics of Magnetic Systems |

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### Contents

Relevant Theories | 6 |

Locations of Field for Resonance Anomalies | 29 |

Linewidths | 40 |

5 other sections not shown

### Common terms and phrases

2AH versus 4f electrons 57 KMHz 86 KMHz Angle from 19 angular dependence angular maxima anisotropy energy approximately average iron spin Body-Centered Cubic Brillouin zone calculation Chapter crystal field degrees diagonalization Dillon and Walker direction doped doublet Energy Level Diagram energy levels equations exchange interaction experimental face-centered cubic face-centered cubic lattice Ferrimagnetic Resonance Linewidths ferromagnetic field for resonance Frequency Dependence garnet given in Table ground Hamiltonian high temperature peak Huber Hutchings and Wolf impurity ion initial linewidth 2AH linewidth peak Linewidth versus low temperature peak magnitude magnon near-crossing Neel temperature norm parameters peak height phonon plane point charge radians Rapidly Relaxing shown in Figure Simple Cubic Antiferromagnet Solov'ev and Gurevich spin wave spin-lattice relaxation spin-magnon relaxation sublattice symmetry terbium thesis tion Unit Magnetic Cell versus angle wavefunctions Wigner-Eckart theorem yttrium