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Scattering Bethe Ansatz approach
Descriptive
TypeOfResource
Text
TitleInfo
(ID = T-1)
Title
Scattering Bethe Ansatz approach
Identifier
ETD_2768
Identifier
(type = hdl)
http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000056207
Language
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eng
Genre
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theses
Subject
(ID = SBJ-1);
(authority = RUETD)
Topic
Physics and Astronomy
Subject
(ID = SBJ-2);
(authority = ETD-LCSH)
Topic
Bethe-ansatz technique
Subject
(ID = SBJ-3);
(authority = ETD-LCSH)
Topic
Quantum dots
Subject
(ID = SBJ-4);
(authority = ETD-LCSH)
Topic
Transport theory
Abstract
(type = abstract)
We derive the transport properties of a quantum impurity system, often realized as a quantum dot, subject to a source-drain bias voltage at zero temperature and magnetic field. Using the Scattering Bethe Anstaz(SBA), a generalization of the traditional Thermodynamic Bethe Ansatz(TBA) to open systems out of equilibrium, we derive some transport results for the small quantum dot, described by Anderson impurity Hamiltonian. Exact dot occupation out of equilibrium and the nonlinear conductance are obtained by introducing phenomenological spin- and charge-fluctuation distribution functions in the computation of the current. The current and dot occupation as a function of voltage are evaluated numerically. We also vary the gate voltage and study the transition from the mixed valence to the Kondo regime in the presence of a non-equilibrium current. For the larger quantum dot the Interacting Resonance Level Model is used to describe the strog correlation problem in this system. We show some current vs voltage results and compare with other theoretical results. We conclude with the difficulties we encountered by using this method and suggest some future extensions related to this SBA approach.
PhysicalDescription
Form
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electronic resource
Extent
xv, 149 p. : ill.
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application/pdf
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text/xml
Note
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Ph.D.
Note
(type = bibliography)
Includes bibliographical references
Note
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Includes vita
Note
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by Sung-Po Chao
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Chao
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Sung-Po
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1977-
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author
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sung chao
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Andrei
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Natan
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chair
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Advisory Committee
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Natan Andrei
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Vanderbilt
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David
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internal member
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Advisory Committee
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David Vanderbilt
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Zimmermann
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Frank
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internal member
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Frank Zimmermann
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Zamick
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Larry
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Larry Zamick
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Jerez
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Andres
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Advisory Committee
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Andres Jerez
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NamePart
Rutgers University
Role
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degree grantor
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NamePart
Graduate School - New Brunswick
Role
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school
OriginInfo
DateCreated
(qualifier = exact)
2010
DateOther
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2010-10
Place
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xx
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
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ETD
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(type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
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rucore19991600001
Location
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NjNbRU
Identifier
(type = doi)
doi:10.7282/T36M36MV
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
RightsDeclaration
(AUTHORITY = GS);
(ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
RightsHolder
(ID = PRH-1);
(type = personal)
Name
FamilyName
chao
GivenName
sung
Role
Copyright Holder
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(ID = RE-1);
(AUTHORITY = rulib)
Type
Permission or license
DateTime
2010-06-30 10:54:58
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Name
sung chao
Affiliation
Rutgers University. Graduate School - New Brunswick
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License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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Technical
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ETD
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application/pdf
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application/x-tar
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3112960
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