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Electric neutron polarizability and eigenspectrum subtraction techniques for disconnected quark loops.

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dc.contributor.advisor Wilcox, Walter M.
dc.contributor.author Guerrero, Victor Xavier.
dc.date.copyright 2011-08
dc.identifier.uri http://hdl.handle.net/2104/8214
dc.description.abstract I present an analysis for the mass shift of the neutron in order to obtain the neutron electric polarizability. Neutron electric polarizability can be studied by implementing a static electric field on the lattice. The implementation of this field, though, is non-trivial and the "proper" form for lattice implementation is studied and the various techniques are presented. Separately, I present the development of new techniques to calculate disconnected quark loops; a quantity that is necessary for many different analyzes but has been shown to be computationally intensive. These new techniques, which use Z(N) noise, utilize the eigenspectrum of the quark matrix to reduce statistical error found in disconnected operators. en_US
dc.publisher en
dc.rights Baylor University theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact librarywebmaster@baylor.edu for inquiries about permission. en_US
dc.subject Lattice QCD. en_US
dc.subject Physics. en_US
dc.subject Quark loops. en_US
dc.subject Numerical linear solvers. en_US
dc.subject GMRES. en_US
dc.subject Eigenspectrum subtraction. en_US
dc.title Electric neutron polarizability and eigenspectrum subtraction techniques for disconnected quark loops. en_US
dc.type Thesis en_US
dc.description.degree Ph.D. en_US
dc.rights.accessrights Worldwide access en_US
dc.contributor.department Physics. en_US
dc.contributor.schools Baylor University. Dept. of Physics. en_US


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