osnaDocs: General Projective Approach to Transport Coefficients of Condensed Matter Systems and Application to an Atomic Wire

General Projective Approach to Transport Coefficients of Condensed Matter Systems and Application to an Atomic Wire

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DC Field	Value	Language
dc.contributor.advisor	Prof. Dr. Jochen Gemmer
dc.creator	Bartsch, Christian
dc.date.accessioned	2010-03-16T08:44:29Z
dc.date.available	2010-03-16T08:44:29Z
dc.date.issued	2010-03-16T08:44:29Z
dc.identifier.uri	https://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201003165677	-
dc.description.abstract	We present a novel approach to the investigation of transport coefficients in condensed matter systems, which is based on a pertinent time-convolutionless (TCL) projection operator technique. In this context we analyze in advance the convergence of the corresponding perturbation expansion and the influence of the occurring inhomogeneity. The TCL method is used to establish a formalism for a consistent derivation of a Boltzmann equation from the underlying quantum dynamics, which is meant to apply to non-ideal quantum gases. We obtain a linear(ized) collision term that results as a finite non-singular rate matrix and is thus adequate for further considerations, e.g., the calculation of transport coefficients. In the work at hand we apply the provided scheme to numerically compute the diffusion coefficient of an atomic wire and especially analyze its dependence on certain model properties, in particular on the width of the wire.	eng
dc.subject	transport coefficients	eng
dc.subject	condensed matter systems	eng
dc.subject	atomic wire	eng
dc.subject	projection operator techniques	eng
dc.subject	Boltzmann equation	eng
dc.subject.ddc	530 - Physik
dc.title	General Projective Approach to Transport Coefficients of Condensed Matter Systems and Application to an Atomic Wire	eng
dc.type	Dissertation oder Habilitation [doctoralThesis]	-
thesis.location	Osnabrück	-
thesis.institution	Universität	-
thesis.type	Dissertation [thesis.doctoral]	-
thesis.date	2010-02-18	-
dc.contributor.referee	Prof. Dr. Michael Rohlfing
dc.subject.bk	33.28 - Transportvorgänge, irreversible Thermodynamik
dc.subject.bk	33.79 - Kondensierte Materie: Sonstiges
dc.subject.pacs	05.70.Ln - Nonequilibrium and irreversible thermodynamics
dc.subject.pacs	05.60.Gg - Quantum transport
vCard.ORG	FB4
Appears in Collections:	FB06 - E-Dissertationen

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