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Published in:
2012 | OriginalPaper | Chapter
The Microscopic Origin of the Macroscopic Dielectric Permittivity of Crystals: A Mathematical Viewpoint
Authors : Éric Cancès, Mathieu Lewin, Gabriel Stoltz
Published in: Numerical Analysis of Multiscale Computations
Publisher: Springer Berlin Heidelberg
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The purpose of this paper is to provide a mathematical analysis of the Adler-Wiser formula relating the macroscopic relative permittivity tensor to the microscopic structure of the crystal at the atomic level. The technical level of the presentation is kept at its minimum to emphasize the mathematical structure of the results. We also briefly review some models describing the electronic structure of finite systems, focusing on density operator based formulations, as well as the Hartree model for perfect crystals or crystals with a defect.