Chan, Wenling = 某些一維強關聯系統中量子糾纏的行為 / 陳文嶺. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (leaves 91-97). / Abstracts in English and Chinese. / Chan, Wenling = Mou xie yi wei qiang guan lian xi tong zhong liang zi jiu chan de xing wei / Chen Wenling. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Entanglement --- p.1 / Chapter 1.2 --- Thermal entanglement --- p.4 / Chapter 1.3 --- Quantum information theory and correlations --- p.5 / Chapter 1.4 --- Quantum phase transition --- p.9 / Chapter 1.5 --- Motivation of our study --- p.12 / Chapter 2 --- Entanglement measures --- p.14 / Chapter 2.1 --- Criteria for a good entanglement measure --- p.14 / Chapter 2.2 --- Some popular entanglement measures --- p.17 / Chapter 2.2.1 --- Entropy of entanglement --- p.17 / Chapter 2.2.2 --- Entanglement of formation --- p.18 / Chapter 2.2.3 --- Concurrence --- p.20 / Chapter 2.2.4 --- Negativity --- p.21 / Chapter 2.2.5 --- Other measures --- p.22 / Chapter 3 --- Maximizing thermal entanglement using magnetic fields --- p.24 / Chapter 3.1 --- XY model --- p.24 / Chapter 3.2 --- Measurement of thermal entanglement --- p.26 / Chapter 3.3 --- Configurations of fields for maximal thermal entanglement --- p.27 / Chapter 4 --- Correlations in quantum systems --- p.36 / Chapter 4.1 --- Definitions and measures of bipartite correlations --- p.37 / Chapter 4.1.1 --- Total correlation --- p.37 / Chapter 4.1.2 --- Quantum correlation --- p.38 / Chapter 4.1.3 --- Classical correlation --- p.39 / Chapter 4.2 --- Environmental effects on correlations --- p.42 / Chapter 4.2.1 --- Anisotropic Heisenberg model --- p.42 / Chapter 4.2.2 --- XY model with nonuniform magnetic field --- p.44 / Chapter 5 --- Quantum phase transition in asymmetric Hubbard model --- p.51 / Chapter 5.1 --- Asymmetric Hubbard model --- p.51 / Chapter 5.1.1 --- The Hamiltonian --- p.52 / Chapter 5.1.2 --- Perturbation expansion in large-U limit --- p.53 / Chapter 5.1.3 --- The phases --- p.54 / Chapter 5.2 --- Density-matrix renormalization group (DMRG) method --- p.57 / Chapter 5.2.1 --- Basic concepts --- p.58 / Chapter 5.2.2 --- Algorithm --- p.60 / Chapter 5.2.3 --- Measurements of observables --- p.67 / Chapter 5.2.4 --- Improvements --- p.68 / Chapter 5.3 --- Entanglement as the phase transition indicator --- p.71 / Chapter 5.3.1 --- Two-site entanglement --- p.72 / Chapter 5.3.2 --- Block entanglement --- p.73 / Chapter 5.4 --- Numerical results and analysis --- p.74 / Chapter 5.4.1 --- Away from half-filling --- p.74 / Chapter 5.4.2 --- Half-filling --- p.79 / Chapter 6 --- Conclusion --- p.88 / Bibliography --- p.91

Li, Ying Wai = 安德森模型下量子相變的數值研究 / 李盈慧. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 69-72). / Text in English; abstracts in English and Chinese. / Li, Ying Wai = Andesen mo xing xia liang zi xiang bian de shu zhi yan jiu / Li, Yinghui. / Chapter 1 --- Review on Anderson Models and Quantum Phase Transitions --- p.1 / Chapter 1.1 --- The Anderson Impurity Model --- p.1 / Chapter 1.2 --- The Periodic Anderson Model --- p.2 / Chapter 1.3 --- Quantum Phase Transitions (QPTs) --- p.3 / Chapter 1.4 --- Motivation of this project --- p.4 / Chapter 2 --- Studies on the Ground State Energy of Periodic Anderson Model --- p.7 / Chapter 2.1 --- Background --- p.7 / Chapter 2.2 --- Hamiltonian and Physical Meanings of Lattice Anderson Model --- p.8 / Chapter 2.2.1 --- The first term: -t ´iσ （c+̐ưσci+lσ + h.c.) --- p.8 / Chapter 2.2.2 --- The second term: Ef´iσ̐ưfiσ --- p.9 / Chapter 2.2.3 --- The third term: V ´ ̐ưσ (c+iσ̐ư̐ưσ + h.c.) --- p.9 / Chapter 2.2.4 --- The fourth term: U ̐ưσ´ nfitnfi↓ --- p.9 / Chapter 2.2.5 --- The whole Hamiltonian --- p.10 / Chapter 2.3 --- Non-Interacting Case of Lattice Anderson Model --- p.10 / Chapter 2.3.1 --- The Hamiltonian in momentum space --- p.11 / Chapter 2.3.2 --- The conduction band eK --- p.12 / Chapter 2.3.3 --- The band energies ±K --- p.12 / Chapter 2.3.4 --- The energy band gap Δ --- p.14 / Chapter 2.3.5 --- Green's functions at finite temperature --- p.14 / Chapter 2.4 --- Perturbation in U for symmetric model --- p.16 / Chapter 2.4.1 --- Previous Results --- p.16 / Chapter 2.4.2 --- Ground state energy at finite temperature by time-dependent perturbation theory --- p.18 / Chapter 3 --- Numerical Integration using Wang-Landau Sampling --- p.22 / Chapter 3.1 --- Background --- p.22 / Chapter 3.2 --- Wang-Landau integration --- p.25 / Chapter 3.2.1 --- Description of the method --- p.25 / Chapter 3.2.2 --- Correspondence between Wang-Landau sampling for physical systems and Wang-Landau integration --- p.27 / Chapter 3.3 --- Results --- p.28 / Chapter 3.3.1 --- Application to one- and two-dimensional test integrals . --- p.28 / Chapter 3.3.2 --- An example of a potential application: Perturbative calculation of the lattice Anderson model --- p.31 / Chapter 3.3.3 --- Discussion and summary --- p.35 / Chapter 4 --- Studies on QPT of Anderson Impurity Model by Quantum Entanglement --- p.38 / Chapter 4.1 --- Background --- p.38 / Chapter 4.2 --- Formalism --- p.39 / Chapter 4.2.1 --- Hamiltonian --- p.39 / Chapter 4.2.2 --- Conditions Used in Our Study --- p.40 / Chapter 4.2.3 --- Quantifying Quantum Entanglement: Entropy and Concurrence --- p.41 / Chapter 4.3 --- Numerical Results --- p.45 / Chapter 4.3.1 --- Method --- p.45 / Chapter 4.3.2 --- Finite Size Effects of the Ground State Energy --- p.46 / Chapter 4.3.3 --- Finite Size Effects of the Von Neumann Entropy --- p.49 / Chapter 4.3.4 --- Finite Size Effects of the Fermionic Concurrence --- p.53 / Chapter 4.4 --- Summary --- p.58 / Chapter 5 --- Fidelity in Critical Phenomena --- p.59 / Chapter 5.1 --- Background --- p.59 / Chapter 5.2 --- Ground State Fidelity and Dynamic Structure Factor --- p.60 / Chapter 5.3 --- Mixed-state fidelity and thermal phase transitions --- p.63 / Chapter 5.4 --- Summary --- p.64 / Chapter 6 --- Conclusion --- p.66 / Bibliography --- p.69

Thesis (Ph.D.)--University of Nebraska-Lincoln, 2007. / Title from title screen (site viewed Dec. 4, 2007). PDF text: xviii, 149 p. : ill. ; 7 Mb. UMI publication number: AAT 3271931. Includes bibliographical references. Also available in microfilm and microfiche formats.

Thesis (Ph. D.)--University of Texas at Austin, 2006. / Vita. Includes bibliographical references.

A recently developed crystal-mechanics-based constitutive model for polycrystalline shape-memory alloys (Thamburaja and Anand [1]) is shown to quantitatively predict the in-plane anisotropy of superelastic sheet Ti-Ni to reasonable accord. / Singapore-MIT Alliance (SMA)

Thesis (Ph. D.)--Chalmers tekniska högskola and Göteborgs universitet, 2006. / Includes bibliographical references (p. 219-224) and index.

Thesis (Ph.D.)--McMaster University, 2004. / Supervisor: Harald D. H. Stöver.

Thesis (Ph. D.)--Oregon State University, 1983. / Typescript (photocopy). Includes bibliographical references (leaves 130-132). Also available on the World Wide Web.

Chalmers Univ. of Technology and Göteborg Univ., Diss.--Göteborg, 2006.

Thesis (Ph.D.)--City University of Hong Kong, 2009. / "Submitted to Department of Mathematics in partial fulfillment of the requirements for the degree of Doctor of Philosophy." Includes bibliographical references (leaves [214]-224)