Titlebook: Introduction to Solid-State Theory; Otfried Madelung Book 1978 Springer-Verlag Berlin Heidelberg 1978 Absorption.band structure.crystal.di

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Fundamentals,specific heat, and phase transitions are, moreover, examples of concepts which can be defined for the solid but not for an individual atom. A theoretical description of the properties of solids must therefore use methods appropriate to many-body systems.

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Local Description of Solid-State Properties, one can take the arrangement of atoms into a lattice of given structure to be the most important feature of the solid. Then the interpretation of solid-state phenomena is based on the . of the solid.

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Electron-Phonon Interaction: Transport Phenomena,f one band, the conduction band. Accordingly we need only give the band index explicitly in a few cases. Since for transitions within the conduction band electron spin direction is in most cases maintained, we shall on many occasions describe the electron by its wave vector only.

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