• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 120
  • 13
  • 10
  • 10
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 1
  • 1
  • 1
  • 1
  • Tagged with
  • 164
  • 164
  • 59
  • 25
  • 16
  • 15
  • 15
  • 14
  • 14
  • 13
  • 12
  • 11
  • 11
  • 11
  • 11
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
81

Entanglement behavior in some one-dimensional strongly correlated systems. / 某些一維強關聯系統中量子糾纏的行為 / Entanglement behavior in some one-dimensional strongly correlated systems. / Mou xie yi wei qiang guan lian xi tong zhong liang zi jiu chan de xing wei

January 2008 (has links)
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
82

Properties of second-order correlation functions

January 1957 (has links)
J.Y. Hayase. / "May 17, 1957." "This report is based on a thesis submitted to the Department of Electrical Engineering, M.I.T., May 20, 1957, in partial fulfillment of the requirements for the degree of Electrical Engineer." / Bibliography: p. 64-65. / U.S. Army Signal Corps Contract No. DA36-039-sc-64637 Dept. of the Army Task 3-99-06-108 Project 3-99-00-100
83

Experimental study of nonlinear devices by correlation methods

January 1951 (has links)
[by] L. Weinberg [and] L.G. Kraft. / Bibliography: p. 29. / Army Signal Corps Contract no. DA36-039 sc-100, Project no. 8-102B-0. Dept. of the Army Project No. 3-99-10-022.
84

Learning gradients and canonical correlation by kernel methods /

Cai, Jia. January 2009 (has links) (PDF)
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 [52]-58)
85

Relationships between reflectance and soil physical and chemical properties

Alrajehy, Abdulrahman Mohammed. January 2002 (has links)
Thesis (M.S.)--Mississippi State University. Department of Agricultural and Biological Engineering. / Title from title screen. Includes bibliographical references.
86

Partial L's a precise gross score solution of partial and multiple correlation /

Alluisi, Earl A. January 1950 (has links) (PDF)
Thesis (M.A.)--Ohio State University, 1950. / Advisor: John R. Kinzer. Text made available in compliance with Section 108 of the Copyright Revision Act of 1976. Includes bibliographical references (leaves 73-77). Online version of print reproduction.
87

Factors governing the supply of savings in Great Britain since the war

Radice, Edward Albert January 1938 (has links)
No description available.
88

Some results on the statistical analysis of directional data

黎文傑, Lai, Man-kit. January 1994 (has links)
published_or_final_version / Statistics / Master / Master of Philosophy
89

THE PREDICTION OF CROSS-CORRELATION ACCURACY IN DIGITAL STEREO-PAIR IMAGES

Ryan, Thomas Wilton January 1981 (has links)
The behavior of digital cross-correlation algorithms as applied to image matching problems is examined in terms of the relationship between measureable image properties and algorithm characteristics. Statistical image quality measures are developed which could be employed in a preprocessor to predict the performance of automatic stereo-compilation equipment. The measures include a quantity derived from the Cramer-Rao lower bound on the variance of any unbiased parameter estimator, various contrast measures such as variance, contrast modulation, and median absolute deviation, and a stationarity detector related to the variance gradient. These measures are based on image and correlator models which describe the behavior of correlation processors under conditions of low image contrast or signal-to-noise ratio, geometric distortion, and image non-stationarity. Computer simulations using synthetic imagery were performed to verify the various models, and indicate the potential for the use of image quality measures in the predicting of correlation behavior. Implications of the models in terms of correlation processor design and implementation are discussed.
90

A hierarchical Bayesian approach to model spatially correlated binary data with applications to dental research

Zhang, Yanwei. January 2008 (has links)
Thesis (Ph.D.)--Michigan State University. Dept. of Statistics, 2008. / Title from PDF t.p. (viewed on Mar. 27, 2009) Includes bibliographical references (p.114-122). Also issued in print.

Page generated in 0.1008 seconds