Description
Elementary excitations in solids are particles that interact with each other and with the surrounding environment. These particles can be thought of as elementary units of energy that can cause a solid to behave like a collection of nearly independent elementary excitations. This text is a compilation of lectures that were given in an advanced course on the theory of solids at the University of Illinois. The text covers the basics of the theory as well as applications to metals, which are more common than applications to other materials. Problems have been included at the end of each chapter to help students practice the concepts they have learned.
Based on lectures given in an advanced course in the theory of solids at the University of Illinois in 1961, this text continues to fill the need to communicate the present view of a solid as a system of interacting particles which, under suitable circumstances, behaves like a collection of nearly independent elementary excitations. In addition to introducing basic concepts, the author frequently refers to experimental data. For the most part, both the basic theory and the applications discussed deal with the behavior of "simple" metals, such as the alkali metals, rather than the "complicated" metals, such as the transition metals and the rare earths. Problems have been included for most of the chapters.
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