Thermal Quantum Field Theory and Perturbative Non-Equilibrium Dynamics (Paperback, Softcover reprint of the original 1st ed. 2014)

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

General

Imprint:	Springer International Publishing AG
Country of origin:	Switzerland
Series:	Springer Theses
Release date:	August 2016
First published:	2014
Authors:	Peter Millington
Dimensions:	235 x 155 x 13mm (L x W x T)
Format:	Paperback
Pages:	215
Edition:	Softcover reprint of the original 1st ed. 2014
ISBN-13:	978-3-319-37754-4
Categories:	Books > Science & Mathematics > Physics > General
LSN:	3-319-37754-X
Barcode:	9783319377544

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