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Book Cover
Author Millington, Peter, author.

Title Thermal quantum field theory and perturbative non-equilibrium dynamics / Peter Millington.

Published Cham : Springer, 2014.


Location Call No. Status
Physical description 1 online resource (xxv, 215 pages) : illustrations (some color).
Series Springer Theses, 2190-5053
Springer theses, 2190-5053
Contents Introduction to Part I -- Classical Prerequisites -- Quantum Statistical Mechanics -- Correlation Functions -- Imaginary Time Formalism -- The Scalar Field -- Introduction to Part II -- The CTP Formalism -- Non-Homogeneous Backgrounds -- The Thermodynamic Equilibrium Limit.
Bibliography Includes bibliographical references and index.
Summary The author develops a new perturbative formalism of non-equilibrium thermal quantum field theory for non-homogeneous backgrounds. As a result of this formulation, the author is able to show how so-called pinch singularities can be removed, without resorting to ad hoc prescriptions, or effective resummations of absorptive effects. Thus, the author arrives at a diagrammatic approach to non-equilibrium field theory, built from modified Feynman rules that are manifestly time-dependent from tree level. This new formulation provides an alternative framework in which to derive master time evolution equations for physically meaningful particle number densities, which are valid to all orders in perturbation theory and to all orders in gradient expansion. Once truncated in a loop-wise sense, these evolution equations capture non-equilibrium dynamics on all time-scales, systematically describing energy-violating processes and the non-Markovian evolution of memory effects
Notes Description based on online resource; title from PDF title page (SpringerLink, viewed November 4, 2013).
Thesis notes Ph.D. University of Manchester 2012.
Subject Quantum field theory.
Perturbation (Quantum dynamics)
Thermodynamic equilibrium.
SCIENCE / Energy
SCIENCE / Mechanics / General
SCIENCE / Physics / General
Electronic books.
ISBN 9783319011868 (electronic bk.)
3319011863 (electronic bk.)
Standard Number 10.1007/978-3-319-01186-8