Hubbard model with geometrical frustration
Hubbard model with geometrical frustration
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DissertationDate of Exam
08.10.2009Date of Publication
08.10.2010Advisor
Monien, HartmutCo-Referee
Flume, RainaldMetadata
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Abstract
At first we present the details of the dual fermion (DF), the cluster extension of dynamical mean field theory (CDMFT) and continuous-time quantum Monte Carlo (CT QMC) methods. Using a panoply of these methods we explore the Hubbard model on the triangular and hyperkagome lattice. We find a first-order transition and continuous transition on the triangular and hyper-kagome lattice, respectively. Moreover, we find the reentrant behavior due to competition between the magnetic correlation and itinerancy of electrons by source of geometrical frustration on both lattices.
Classification (DDC)
530 PhysikLee, Hunpyo: Hubbard model with geometrical frustration. - Bonn, 2010. - Dissertation, Rheinische Friedrich-Wilhelms-Universität Bonn.
Online-Ausgabe in bonndoc: https://nbn-resolving.org/urn:nbn:de:hbz:5N-22775
Online-Ausgabe in bonndoc: https://nbn-resolving.org/urn:nbn:de:hbz:5N-22775
@phdthesis{handle:20.500.11811/4654,
urn: https://nbn-resolving.org/urn:nbn:de:hbz:5N-22775,
author = {{Hunpyo Lee}},
title = {Hubbard model with geometrical frustration},
school = {Rheinische Friedrich-Wilhelms-Universität Bonn},
year = 2010,
month = oct,
note = {At first we present the details of the dual fermion (DF), the cluster extension of dynamical mean field theory (CDMFT) and continuous-time quantum Monte Carlo (CT QMC) methods. Using a panoply of these methods we explore the Hubbard model on the triangular and hyperkagome lattice. We find a first-order transition and continuous transition on the triangular and hyper-kagome lattice, respectively. Moreover, we find the reentrant behavior due to competition between the magnetic correlation and itinerancy of electrons by source of geometrical frustration on both lattices.},
url = {https://hdl.handle.net/20.500.11811/4654}
}
urn: https://nbn-resolving.org/urn:nbn:de:hbz:5N-22775,
author = {{Hunpyo Lee}},
title = {Hubbard model with geometrical frustration},
school = {Rheinische Friedrich-Wilhelms-Universität Bonn},
year = 2010,
month = oct,
note = {At first we present the details of the dual fermion (DF), the cluster extension of dynamical mean field theory (CDMFT) and continuous-time quantum Monte Carlo (CT QMC) methods. Using a panoply of these methods we explore the Hubbard model on the triangular and hyperkagome lattice. We find a first-order transition and continuous transition on the triangular and hyper-kagome lattice, respectively. Moreover, we find the reentrant behavior due to competition between the magnetic correlation and itinerancy of electrons by source of geometrical frustration on both lattices.},
url = {https://hdl.handle.net/20.500.11811/4654}
}
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