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Graduate Texts in Contemporary Physics

Quantum Theory of Many-Body Systems

Techniques and Applications

Authors: Zagoskin, Alexandre

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  • Uses the traditional mathematical formalism of quasiparticles and Green`s functions.
  • Covers all the important diagram techniques for normal and superconducting systems, including the zero-temperature perturbation theory, and the Matsubara, Keldysh, and Nambu-Gorov formalisms. Presents enough detail to enable the reader to follow the current research literature or to apply the techniques to new problems. Includes many of the examples drawn from mesoscopic physics, which provides an ideal testing ground for many-body theories. Includes applications of the techniques. Problems at the end of each chapter help to guide learning and illustrate the applications.
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eBook $79.99
price for USA in USD
  • ISBN 978-1-4612-0595-1
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Softcover $99.99
price for USA in USD
  • ISBN 978-1-4612-6831-4
  • Free shipping for individuals worldwide
  • Institutional customers should get in touch with their account manager
  • Covid-19 shipping restrictions
  • Usually ready to be dispatched within 3 to 5 business days, if in stock
About this Textbook

Intended for graduate students in physics and related fields, this text is a self contained treatment of the physics of many-body systems from the point of view of condensed matter. The approach, quite traditionally, uses the mathematical formalism of quasiparticles and Green's functions. In particular, it covers all the important diagram techniques for normal and superconducting systems, including the zero- temperature perturbation theory, and the Matsubara, Keldysh, and Nambu -Gor'kov formalisms. The aim is not to be exhaustive, but to present just enough detail to enable the student to follow the current research literature or to apply the techniques to new problems. Many of the examples are drawn from mesoscopic physics, which deals with systems small enough that quantum coherence is maintained throughout their volume, and which therefore provides an ideal testing ground for many-body theories. The book begins by introducing the Green's function for one-particle systems (using Feynman path integrals), general perturbation theory, and second quantization. It then turns to the usual zero-temperature formalism, discussing the properties and physical meaning of the Green's function for many-body systems and then developing the diagram techniques of perturbation theory. The theory is extended to finite temperatures, including a discussion of the Matsubara formalism as well as the Keldysh technique for essentially nonequilibrium systems. The final chapter is devoted to applications of the techniques to superconductivity, incuding discussions of the superconducting phase transition, elementary excitations, transport, Andreev reflections, and Josephson junctions. Problems at the end of each chapter help to guide learning an to

Table of contents (4 chapters)

Table of contents (4 chapters)

Buy this book

eBook $79.99
price for USA in USD
  • ISBN 978-1-4612-0595-1
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Softcover $99.99
price for USA in USD
  • ISBN 978-1-4612-6831-4
  • Free shipping for individuals worldwide
  • Institutional customers should get in touch with their account manager
  • Covid-19 shipping restrictions
  • Usually ready to be dispatched within 3 to 5 business days, if in stock
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Bibliographic Information

Bibliographic Information
Book Title
Quantum Theory of Many-Body Systems
Book Subtitle
Techniques and Applications
Authors
Series Title
Graduate Texts in Contemporary Physics
Copyright
1998
Publisher
Springer-Verlag New York
Copyright Holder
Springer Science+Business Media New York
eBook ISBN
978-1-4612-0595-1
DOI
10.1007/978-1-4612-0595-1
Softcover ISBN
978-1-4612-6831-4
Series ISSN
0938-037X
Edition Number
1
Number of Pages
XV, 229
Topics