Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields
Thesis (M.Sc.)--Memorial University of Newfoundland, 1988. Physics Bibliography: leaves 103-106. The superoperator formalism of non-equilibrium Thermo Field Dynamics is extended to consider a system of electrons in contact with a thermal reservoir in a homogeneous crossed electric and magnetic field...
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ftmemorialunivdc:oai:collections.mun.ca:theses2/223840 2023-05-15T17:23:31+02:00 Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields Cho, Carolyn Memorial University of Newfoundland. Dept. of Physics 1987 vii, 106 leaves : ill. Image/jpeg; Application/pdf http://collections.mun.ca/cdm/ref/collection/theses2/id/223840 Eng eng Electronic Theses and Dissertations (14.53 MB) -- http://collections.mun.ca/PDFs/theses/Cho_Carolyn.pdf 76082972 http://collections.mun.ca/cdm/ref/collection/theses2/id/223840 The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries Quantum field theory Many-body problem Text Electronic thesis or dissertation 1987 ftmemorialunivdc 2015-08-06T19:17:26Z Thesis (M.Sc.)--Memorial University of Newfoundland, 1988. Physics Bibliography: leaves 103-106. The superoperator formalism of non-equilibrium Thermo Field Dynamics is extended to consider a system of electrons in contact with a thermal reservoir in a homogeneous crossed electric and magnetic field. Particular attention is paid to the role of gauge invariance. A brief overview of the development of a non-equilibrium, finite time, temperature dependent field theory is included, as well as an outline of the construction of the superoperator formalism of non-equilibrium thermo field dynamics. The relation-ship between the two point electron Green's functions and the probability distribution function appearing in the semi-classical Boltzmann equation is established. -- As an illustration of how the transport coefficients are found from the Boltzmann equation, the case of the Chamber's solution for the electrical conductivity is considered. The position dependence of the conductivity tensor in the presence of a domain wall is evaluated numerically, and the trends are verified analytically. -- Future extensions of the present work are discussed. Thesis Newfoundland studies University of Newfoundland Memorial University of Newfoundland: Digital Archives Initiative (DAI) |
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Memorial University of Newfoundland: Digital Archives Initiative (DAI) |
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ftmemorialunivdc |
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English |
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Quantum field theory Many-body problem |
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Quantum field theory Many-body problem Cho, Carolyn Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields |
topic_facet |
Quantum field theory Many-body problem |
description |
Thesis (M.Sc.)--Memorial University of Newfoundland, 1988. Physics Bibliography: leaves 103-106. The superoperator formalism of non-equilibrium Thermo Field Dynamics is extended to consider a system of electrons in contact with a thermal reservoir in a homogeneous crossed electric and magnetic field. Particular attention is paid to the role of gauge invariance. A brief overview of the development of a non-equilibrium, finite time, temperature dependent field theory is included, as well as an outline of the construction of the superoperator formalism of non-equilibrium thermo field dynamics. The relation-ship between the two point electron Green's functions and the probability distribution function appearing in the semi-classical Boltzmann equation is established. -- As an illustration of how the transport coefficients are found from the Boltzmann equation, the case of the Chamber's solution for the electrical conductivity is considered. The position dependence of the conductivity tensor in the presence of a domain wall is evaluated numerically, and the trends are verified analytically. -- Future extensions of the present work are discussed. |
author2 |
Memorial University of Newfoundland. Dept. of Physics |
format |
Thesis |
author |
Cho, Carolyn |
author_facet |
Cho, Carolyn |
author_sort |
Cho, Carolyn |
title |
Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields |
title_short |
Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields |
title_full |
Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields |
title_fullStr |
Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields |
title_full_unstemmed |
Non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields |
title_sort |
non-equilibrium thermo field dynamics and the transport of electrons in magnetic and electric fields |
publishDate |
1987 |
url |
http://collections.mun.ca/cdm/ref/collection/theses2/id/223840 |
genre |
Newfoundland studies University of Newfoundland |
genre_facet |
Newfoundland studies University of Newfoundland |
op_source |
Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries |
op_relation |
Electronic Theses and Dissertations (14.53 MB) -- http://collections.mun.ca/PDFs/theses/Cho_Carolyn.pdf 76082972 http://collections.mun.ca/cdm/ref/collection/theses2/id/223840 |
op_rights |
The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. |
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