Explicit Exchange Interaction and Decoherence Dynamics in One-Dimensional Quantum Systems

Explicit Exchange Interaction and Decoherence Dynamics in One-Dimensional Quantum Systems

In this thesis, we investigate two aspects of one-dimensional interacting quantum systems. The first one is the effect of explicit antiferromagnetic exchange interactions on the quantum phase transitions of a one-dimensional itinerant electron system. The second one is the decoherence of a qubit...

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Autor principal: Huang, Xiaoxuan
Altres autors: Noack, Reinhard (Prof. Dr.) (Assessor de tesis)
Format: Dissertation
Idioma:anglès
Publicat: Philipps-Universität Marburg 2011
Matèries:
Metal-insulator transitions and other electronic transitions
Starke Kopplung
Quantenphasenübergang
Non-Fermi-liquid ground states, electron phase diagrams and phase transitions in model systems
Kohärenz
Critical point phenomena
Decoherence
Physik
Dichtematrixrenormierungsgruppe
Lattice fermion models (Hubbard model, etc.)
Decoherence; open systems; quantum statistical methods (see also 03.67.Pp in quantum information; for decoherence in Bose-Einstein condensates, see 03.75.Gg)
Density matrix renormalization group
Stark korrelierte Systeme
Nonconventional mechanisms (spin fluctuations, polarons and bipolarons, resonating valence bond model, anyon mechanism, marginal Fermi liquid, Luttinger liquid, etc.)
Lattice theory and statistics (Ising, Potts, etc.) (see also 64.60.Cn Order-disorder transformations and statistical mechanics of model systems and 75.10.Hk Classical spin models)
Dichtematrix
Dekohärenz
Strongly correlated systems
Quantum phase transitions
Quantum computation
Physics
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Detall dels fons de
Signatura: urn:nbn:de:hebis:04-z2011-01139
Data de publicació: 2011-06-28
Datum der Annahme: 2011-05-12
Downloads: 18 (2024), 62 (2023), 41 (2022), 31 (2021), 32 (2020), 70 (2019), 56 (2018)
Lizenz: https://rightsstatements.org/vocab/InC-NC/1.0/
URL d'accés: https://archiv.ub.uni-marburg.de/diss/z2011/0113
https://doi.org/10.17192/z2011.0113

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