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Local Density Theory of Polarizability

  • Book
  • © 1990

Overview

Authors:
  1. Gerald D. Mahan

    1. University of Tennessee, Knoxville, USA

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  2. K. R. Subbaswamy

    1. University of Kentucky, Lexington, USA

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    You can also search for this author in PubMed   Google Scholar

Part of the book series: Physics of Solids and Liquids (PSLI)

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Table of contents (6 chapters)

  1. Front Matter

    Pages i-ix
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  2. Introduction

    • Gerald D. Mahan, K. R. Subbaswamy
    Pages 1-7

  3. Formalism

    • Gerald D. Mahan, K. R. Subbaswamy
    Pages 9-35

  4. Computational Techniques

    • Gerald D. Mahan, K. R. Subbaswamy
    Pages 37-75

  5. Atoms and Molecules

    • Gerald D. Mahan, K. R. Subbaswamy
    Pages 77-130

  6. Ionic Solids

    • Gerald D. Mahan, K. R. Subbaswamy
    Pages 131-213

  7. Other Solids and Simple Liquids

    • Gerald D. Mahan, K. R. Subbaswamy
    Pages 215-235

  8. Back Matter

    Pages 237-255
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Keywords

About this book

During the past decade the theoretical physics community has learned how to evaluate accurately polarizabilities and susceptibilities for many-electron systems such as atoms, solids, and liquids. The most accurate numerical technique employs a method often called the Time-Dependent Local Density Approximation, which is abbreviated TDLDA. The present volume is a review of recent research on the theory of po­ larizabilities and susceptibilities. Both authors have been doing these cal­ culations. However, this review surveys the entire field, summarizing the research of many contributors. The application of an external field, either ac or de, will induce a dipole moment which can be calculated and compared with experiment. For mod­ erately strong fields, both linear and nonlinear processes contribute to the moment. We cover topics such as polarizability, hyperpolarizability, pho­ toionization, phonons, and piezoelectricity. Density functional theory in the Local Density Approximation (LDA) has been shown to be a very accurate method for calculating ground state prop­ erties of electronic system. For static external fields, the induced moments are properties of the ground state. Then the calculation of the polarizability · is very accurate. For ac fields, the moment is not part of the ground state. However, the TDLDA methods are still very accurate.

Authors and Affiliations

  • University of Tennessee, Knoxville, USA

    Gerald D. Mahan

  • University of Kentucky, Lexington, USA

    K. R. Subbaswamy

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