Derivation of Transport Equations using the Time-Dependent Projection Operator Method

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dc.creatorKoide, Tomoi
dc.date2001-10-24
dc.date2002-02-12
dc.date.accessioned2026-07-07T11:31:56Z
dc.date.available2026-07-07T11:31:56Z
dc.descriptionWe develop a formalism to carry out coarse-grainings in quantum field theoretical systems by using a time-dependent projection operator in the Heisenberg picture. A systematic perturbative expansion with respect to the interaction part of the Hamiltonian is given, and a Langevin-type equation without a time-convolution integral term is obtained. This method is applied to a quantum field theoretical model, and coupled transport equations are derived.
dc.description17 pages, Prog. Theor. Phys. in Press
dc.identifierhttps://arxiv.org/abs/hep-th/0110224
dc.identifierhttp://arxiv.org/abs/hep-th/0110224
dc.identifierProg.Theor.Phys.107:525-541,2002
dc.identifierdoi:10.1143/PTP.107.525
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/197437
dc.subjectHigh Energy Physics - Theory
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleDerivation of Transport Equations using the Time-Dependent Projection Operator Method
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