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

Huang, Xiaoxuan

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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主要作者:	Huang, Xiaoxuan
其他作者:	Noack, Reinhard (Prof. Dr.) (BetreuerIn (Doktorarbeit))
格式:	Dissertation
语言:	英语
出版:	Philipps-Universität Marburg 2011
主题:	Metal-insulator transitions and other electronic transitions Quantum phase transitions Starke Kopplung Quantenphasenübergang Non-Fermi-liquid ground states, electron phase diagrams and phase transitions in model systems Density matrix renormalization group Kohärenz Critical point phenomena Physik 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) Stark korrelierte Systeme Dekohärenz 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 Dichtematrixrenormierungsgruppe Strongly correlated systems Decoherence Quantum computation Physics
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Explicit Exchange Interaction and Decoherence Dynamics in One-Dimensional Quantum Systems

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