Progress in Theoretical Chemistry and Physics

Brillouin-Wigner Methods for Many-Body Systems

Authors: Wilson, Stephen, Hubac, Ivan

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About this book

In twenty-first century science, computational modelling is a powerful tool for the study of matter on a nanoscale. It complements an increasing range of experimental probes providing new or more accurate measurements in nanoscience and nanotechnology. The theoretical apparatus upon which electronic structure models are built determines their computational tractability which in turn determines their utility in applications to systems of increasing complexity.    

The accurate description of the effects of electron correlation is of central importance in ab initio electronic structure theory of atomic and molecular systems. Many body methods, in particular many-body perturbation theory and various coupled cluster expansions, are firmly established as the methods of choice in calculating electron correlation energies. Second order, Moeller-Plesset perturbation theory is the most widely used ab initio quantum chemical technique. Coupled cluster theory with single and double excitations and a perturbative estimate of the contribution of triple excitations is often regarded as a best compromise of accuracy and computational tractability. Both of these methods employ a single reference formalism which is not adequate for studies of systems involving significant quasidegeneracy effects such as bond breaking and bond making. Such studies require the use of a multireference formalism. However, the usual approach to the many-body multireference problem based on the Rayleigh-Schrödinger formalism suffers from the appearance of ‘intruder states’ which can destroy the utility of the method. For more than thirty years a robust approach to the mulitreference correlation problem has been lacking. The little used Brillouin-Wigner formalism shows considerable potential in that it avoids `intruder states'. This volume brings together in a single volume recent leading edge research developments in this area.

Brillouin-Wigner Methods for Many-Body Systems provides an introduction to many-body methods in electronic structure theory for the graduate student and post-doctoral researcher. It provides the researcher in many-body physics and theoretical chemistry with an account of Brillouin-Wigner methodology as it has been developed in recent years to handle the multireference correlation problem and defines the frontiers of this research field. 

This volume is of interest to atomic and molecular physicists, physical chemists and chemical physicists, quantum chemists and condensed matter theorists, computational chemists and applied mathematicians.

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"This book on "Brillouin-Wigner methods for many-body systems" by Hubac and Wilson is perhaps the first comprehensive treatise on the subject. The authors are both internationally recognised experts in the field and are to be congratulated on their clear and thorough presentation of the present 'state of the art'. I recommend the book to anyone working in the field."
(Roy McWeeny, Emeritus Professor, University of Pisa, Iyaly)

 "I strongly recommend the book by Professors Hubac and Wilson on Brillouin-Wigner Perturbation Theory.  From their masterly introduction to the most technical details, this book will be an inspiration to anyone interested in the use of modern perturbation theory in theoretical chemistry and physics."
(Henry F. Schaefer III, Graham Perdue Professor of Chemistry and Director of the Center for Computational Quantum Chemistry, University of Georgia, USA)

"The book of I.Hubac and S.Wilson is very comprehensive.What is particularly interesting is a new fresh look on intruder state problem. Any serious student of Brillouin Wigner theory applied for many body systems should read this book."
(J. Cížek, Emeritus Professor, University of Waterloo,Canada)

"Ever since the introduction of the Brillouin-Wigner version of the coupled-cluster method by Hubac and Neogrady in 1994, there has been a conspicuous attention paid to this approach, particularly by the Slovak and Czech quantum chemistry schools. Although lacking the exact size-extensive property, its attractiveness stems primarily from its ability to overcome the problems of intruder states that often plague standard multireference approaches. It is commendable that the authors gathered in this monograph the relevant up to date developments in this field of endeavour. The book will undoubtedly
be very much appreciated by both students and practitioners dealing with molecular electronic structure calculations."
(Josef Paldus, Distinguished Professor Emeritus, University of Waterloo, Canada)


 


 


 

Table of contents (5 chapters)

  • Introduction

    Hubač, Ivan (et al.)

    Pages 1-36

  • Brillouin-Wigner Perturbation Theory

    Hubač, Ivan (et al.)

    Pages 37-68

  • The Many-Body Problem in Atoms and Molecules

    Hubač, Ivan (et al.)

    Pages 69-131

  • Brillouin-Wigner Methods for Many-Body Systems

    Hubač, Ivan (et al.)

    Pages 133-189

  • Summary and Prospects

    Hubač, Ivan (et al.)

    Pages 191-199

Buy this book

eBook $279.00
price for USA (gross)
  • ISBN 978-90-481-3373-4
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $359.00
price for USA
  • ISBN 978-90-481-3372-7
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $359.00
price for USA
  • ISBN 978-94-007-3104-2
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
Brillouin-Wigner Methods for Many-Body Systems
Authors
Series Title
Progress in Theoretical Chemistry and Physics
Series Volume
21
Copyright
2010
Publisher
Springer Netherlands
Copyright Holder
Springer Science+Business Media B.V.
eBook ISBN
978-90-481-3373-4
DOI
10.1007/978-90-481-3373-4
Hardcover ISBN
978-90-481-3372-7
Softcover ISBN
978-94-007-3104-2
Series ISSN
1567-7354
Edition Number
1
Number of Pages
XX, 235
Number of Illustrations and Tables
5 b/w illustrations
Topics