A Many Electron Theory of Localised Moments in Metals.- Magnetic Properties of a Dense Interacting Electron Gas.- Conceptual Phase Diagrams and Their Applications to Itinerant Electron Magnetism.- Narrow Band Magnetism of Alloys.- The Static and Dynamic Impurity Spin Susceptibility of Kondo Alloys.- Magnon Interaction in the Itinerant Electron Model of Ferromagnetism.- Studies of Ferro- and Paramagnetic Nickel by Positron Annihilation.- Theory of Magnetic Properties of Rare Earths and Their Compounds.- Exchange Interaction in the Heavy Rare Earth Metals Calculated from Energy Bands.- Lattice Effects and the Magnetic Behaviour of Rare Earth Compounds.- Elementary Excitations of High Degree Pair Interactions in Rare Earth Compounds.- Magnetic Properties of Actinides and Their Compounds.- Exploratory Band Structure Calculations for Actinide Compounds.- Magnetism in Actinides.- Thermodynamic Properties of the One-Dimensional Hubbard Model.- Weak Self-Consistent Approximation Scheme.- On the Connection between Equation of Motion Technique and Perturbation Theory Approach to the Evaluation of Double Time Green's function.- First Order Green Function Theory of a Heisenberg Ferromagnet.- Spin-One Lattice-Gas Model.- Dipolar and Quadrupolar Ordering in Magnetic Crystals.- One and Two Magnon Light Scattering in Insulating Antiferromagnets and Its Possible Relevance for the Investigation of the Short Range Interatomic Correlations.- Two-Fluid Hydrodynamic Description of Magnetic Crystals.- Impurity Ferromagnetism in Non-magnetic Semiconductors.- Phonon Hydrodynamics in Solids.- The Spin-Phonon Interaction in Anharmonic Ferromagnetic Crystals.- The Symmetry Properties of Magnetoelastic Waves and the Determination of Selection Rules for Magnon-Phonon Interactions.- Sound Absorption in Magnetics.- Contributors.
The Proceedings presented here contain the notes of lectures delivered during the Eleventh Winter School of Theoretical Physics, held at Karpacz, Poland, February 19 - March 4, 1974. The School was primarily devoted to new concepts in the theory of magnetism in metals, alloys, and metallic compounds, but, as can be seen from the table of contents of the book, other topics of the theory of magnetism were also discussed in the course of the lec tures. The organizers agreed to such a broadening of the scope in order to satisfy particular requests from the Polish participants for whose benefit the School was organized. These "local" interests are clearly reflected in the Proceedings and are responsible for a certain inhomogeneity of the topics selected for presentation. Nevertheless, we have a strong hope that these materials will be interesting to many physicists, not only in Poland, for the subjects discussed here are important not only on the local level, as the lectures contain quite fresh, unpublished results or excellent up to-date reviews. The first part of the volume contains lectures directly cor responding to the title of the School, i.e., selected topics of the theory of metallic magnetism, with slight bias toward rare earth and actinide metals and their compounds. In the second half we have collected the topics more loosely connected with the main stream, such as statistical and thermodynamic aspects of various models, spin-phonon interaction, and others.
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