Many-Body Methods for Atoms, Molecules and Clusters

Released on by Jochen Schirmer
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  • Many-Body Methods for Atoms, Molecules and Clusters Book Detail

  • Author : Jochen Schirmer
  • Release Date : 2018-11-02
  • Publisher : Springer
  • Genre : Science
  • Pages : 330
  • ISBN 13 : 3319936026
  • File Size : 35,35 MB
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Many-Body Methods for Atoms, Molecules and Clusters by Jochen Schirmer PDF Summary

Book Description: This book provides an introduction to many-body methods for applications in quantum chemistry. These methods, originating in field-theory, offer an alternative to conventional quantum-chemical approaches to the treatment of the many-electron problem in molecules. Starting with a general introduction to the atomic and molecular many-electron problem, the book then develops a stringent formalism of field-theoretical many-body theory, culminating in the diagrammatic perturbation expansions of many-body Green's functions or propagators in terms of Feynman diagrams. It also introduces and analyzes practical computational methods, such as the field-tested algebraic-diagrammatic construction (ADC) schemes. The ADC concept can also be established via a wave-function based procedure, referred to as intermediate state representation (ISR), which bridges the gap between propagator and wave-function formulations. Based on the current rapid increase in computer power and the development of efficient computational methods, quantum chemistry has emerged as a potent theoretical tool for treating ever-larger molecules and problems of chemical and physical interest. Offering an introduction to many-body methods, this book appeals to advanced students interested in an alternative approach to the many-electron problem in molecules, and is suitable for any courses dealing with computational methods in quantum chemistry.

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