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Written by a distinguished physicist and leading researcher, this volume describes the theory and selected applications of one of the most important mathematical tools used in the theoreticial investigation of collective excitations in statistical physics. The text offers an introduction to functional integral techniques in equilibrium statistical physics, and discusses the expression of partition functions and Green functions in terms of functional integrals. Sections of the book deal with the application of functional integrals in superfluid Bose systems, systems with Coulomb interaction, and superfluid Fermi systems. The book also considers the application of the concept of Bose-condensation of auxiliary fields to the theory of crystals, heavy atoms and also to the theory of model Hamiltonians.
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"...exposition is clear, mathematical details appearing for the first time are worked out in detail, and, what is particularly important, the physical implications of various results are discussed...solid physical arguments for every application are given." Mathematical Reviews
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- Date Published: March 1991
- format: Paperback
- isbn: 9780521407878
- length: 228 pages
- dimensions: 231 x 151 x 15 mm
- weight: 0.34kg
- availability: Available
Table of Contents
Part I. Functional Integrals and Diagram Techniques in Statistical Physics: Part II. Superfluid Bose Systems: Part III. Plasma and Superfluid Fermi Systems: Part IV. Crystals, Heavy Atoms, Model Hamiltonians.
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