Doctor of Philosophy (PhD)
First Committee Member
Number of Pages
Unusual normal-state properties of strongly correlated electron materials have been discovered in recent years. They can not be explained by traditional theories. Much work has been devoted to exploring the physical insight into these properties. In the dissertation, the study of spin and charge response to magnetic frustration in the Hubbard Model is presented. Using exact diagonalization techniques, the eigenvalues and eigenvectors of a two-dimensional Hubbard model applied to a cluster with periodic boundary conditions have been obtained. Static and dynamic spin and charge correlation functions as well as one-particle excitation spectra have been calculated. The effects of magnetic frustration due to geometrical competition of different electron hopping terms are studied for various doping and short-range Coulomb interaction parameters. The calculated results are discussed in the framework of many-body physics.
Charge; Charge Response; Frustration; Hubbard; Hubbard Model; Magnetic; Magnetic Frustration; Model; Responses; Spin
Condensed matter; Physics; Electromagnetism
University of Nevada, Las Vegas
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Liu, Yang, "Spin and charge response to magnetic frustration in the Hubbard model" (2000). UNLV Retrospective Theses & Dissertations. 3104.
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