Ferromagnetism / Ferromagnetismus [Paperback]

Spin Waves.- A. Thermodynamic properties of ferromagnets.- I. The exchange Hamiltonian.- II. Elementary theory of spin waves.- III. The method of Holstein and Primakoff.- IV. Higher-order effects.- V. Ferromagnetic anisotropy and magnetization.- VI. Spin waves in a continuous magnetic medium.- VII. One and two dimensions and thin films.- VIII. Dipolar ferromagnetism.- B. Thermodynamic properties of antiferromagnets and ferrimagnets.- I. Two-sublattice model.- II. Spin waves in the two-sublattice model.- III. Phase transitions in antiferromagnets.- IV. Complicated spin arrays.- C. Magnetic resonance excitation of spin waves and magnetostatic modes.- D. Magnon-magnon and magnon-phonon interactions.- E. Ferromagnetic resonance relaxation.- I. Some special relaxation mechanisms.- II. Two-magnon processes.- III. Formal theory of relaxation.- IV. Experimental studies in YIG.- F. Non-linear effects.- I. Oscillating field transverse to magnetization.- II. Oscillating field parallel to magnetization.- G. Magnon interactions with electrons, neutrons, and nuclei.- I. Interactions between magnons and conduction electrons.- II. Interactions between magnons and nuclei.- III. Interactions of magnons with beams of particles.- Acknowledgments.- General references.- Appendix: List of frequently-used non-standard symbols.- Secondary Effects in Ferromagnetism.- I. Introduction.- II. Development of the thermodynamics.- III. Anisotropy of an undistorted crystal at constant volume.- IV. Other anisotropy energies.- V. Magnetoelastic coupling.- VI. Magnetostriction.- VII. Temperature dependence of anisotropic effects.- VIII. Pressure effects.- IX. Magnetocaloric effect.- X. Some special topics.- General references.- Mikromagnetismus.- I. Die Grundgleichungen des Mikromagnetismus.- a) Die verschiedenen Betrachtungsweisen des Ferromagnetismus.- b) Die von der Spinrichtung abh?ngigen Terme der freien Energie.- c) Die Differentialgleichungen des Mikromagnetismus.- d) Die Variationsprinzipien delÓù