## Ferromagnetic-relaxation theory |

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### Contents

INTRODUCTION | 1 |

DETAILED TREATMENT OF MAGNONS | 35 |

PROPERTIES OF MAGNONS | 63 |

Copyright | |

5 other sections not shown

### Common terms and phrases

according to Eq AHimp AHkl angle annihilated applied field approximation axis calculation Chap component confluence process cos2 curve degenerate magnons degenerate modes diagonalized dipole dipole-dipole discussed in Sec dispersion relation energy equations of motion exchange excited experimental factor Fe3+ ferrite ferromagnetic field H gives gyromagnetic ratio hamiltonian hermitian conjugate high-field inhomogeneous integral interaction ions Kasuya Kasuya-LeCraw Kittel kMc/sec lattice LeCraw line width linear magnetic field magnon band magnon manifold magnon processes main resonance mechanism number of magnons obtained occupation number parallel-pumping experiment peak phonon polish rare-earth impurity relaxation frequency relaxation processes result rf field saturation magnetization Schlomann secular equation shown in Fig sin2 6k Spencer spherical sample spin system spin waves spin-wave splitting process sublattice subsidiary resonance Suhl surface pits theory thermal three-magnon process threshold tion tonian transition-probability transverse-pumping experiment two-magnon process uniform precession uniform-precession magnon valence-exchange wave vector ytterbium zero