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Quantum field theory is the application of quantum mechanics to systems with infinitely many degrees of freedom. This 2007 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.

Quantum field theory --- Nonequilibrium statistical mechanics --- Quantum field theory. --- Nonequilibrium statistical mechanics. --- Non-equilibrium statistical mechanics --- Statistical mechanics --- Relativistic quantum field theory --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Physics --- General and Others

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This book presents the physical concepts and tools to characterize and describe the formation of metastable solids from undercooled melts. Its aim is to facilitate understanding of the development of the science and technology of solidification of melts and to introduce new concepts within this exciting research field in order to fulfil the challenges of the future in the field of undercooled melts. A comprehensive description of the science and applications of the undercooling phenomenon is given. It is composed of several main parts: experimental techniques for undercooling; chara

Materials sciences --- Cooling. --- Nonequilibrium thermodynamics. --- Solidification. --- Metal crystals --- Materials science. --- Growth. --- Cooling --- Materials science --- Nonequilibrium thermodynamics --- Solidification --- 66.065 --- 66.065 Solidification. Precipitation. Crystallization. Inspissation --- Solidification. Precipitation. Crystallization. Inspissation --- Crystallization --- Heat --- Melting points --- Solutions, Solid --- Irreversible thermodynamics --- Non-equilibrium thermodynamics --- Thermodynamics of the steady state --- Irreversible processes --- Thermodynamics --- Grain growth in metals --- Material science --- Physical sciences --- Growth --- Radiation and absorption