Introduction to the Theory of Ferromagnetism

This is an introductory textbook on the theory of magnetism. The emphasis is on explaining basic principles and providing a broad coverage of the subject. The directions of recent research are also indicated.

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Based on a popular lecture course Introduction to the Theory of Ferromagnetism has a two-fold purpose. Firstly it is a textbook for first year graduate students and advanced undergraduates in both physics and engineering. Secondly, as it explains the basic theoretical principles on which the work is based for practising engineers and experimental physicists who work in the field of magnetism, it can also serve to a certain extent as a reference book. These professionals often find the theorists' papers difficult to understand, and for them in particular, special attention is paid to the shortcomings and drawbacks of the theory. For engineering students without knowledge of quantum mechanics, essential basic material on this topic is collected in one chapter which readers acquainted with the area can skip. For both professionals and students the emphasis is on introducing the foundations of the different subfields, highlighting the direction and tendency of the most recent research. This book is intended for graduate and advanced undergraduate students in physics and electrical enginering; professional engineers and physicists who work on ferromagnets.