Quantum Field Theory of Non-equilibrium States

Publisher: Cambridge University Press
Language: English
ISBN: 0521874998
Paperback: 550 pages
Data: Jul 2007
Format: PDF
Description: Quantum field theory is the application of quantum mechanics to systems with infinitely many degrees of freedom. This textbook presents quantum field theoretical applications to systems out of equilibrium. It introduces the real-time approach to non-equilibrium statistical mechanics and the quantum field theory of non-equilibrium states in general. It offers two ways of learning how to study non-equilibrium states of many-body systems: the mathematical canonical way and an easy intuitive way using Feynman diagrams. The latter provides an easy introduction to the powerful functional methods of field theory, and the use of Feynman diagrams to study classical stochastic dynamics is considered in detail. The developed real-time technique is applied to study numerous phenomena in many-body systems. Complete with numerous exercises to aid self-study, this textbook is suitable for graduate students in statistical mechanics and condensed matter physics.

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