Date of Award

8-2008

Document Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Legacy Department

Materials Science and Engineering

Committee Chair/Advisor

KHOLODENKO, ARKADY L

Committee Member

STUART , STEVEN J

Committee Member

GRUJICIC , MICA

Committee Member

LUO , JIAN

Abstract

In this work, some problems in statistical mechanics related to condensed matter physics and of general interst in materials science, physics, chemistry and polymer science are considered. In chapters 1-4, the work by E.M. Lifshitz on the group-theoretical refinements of the Landau theory of phase transitions is brought to completion. Based on mathematical results obtained by Yamabe, Osgood, Phillips, Sarnak, and Kholodenko analytical results for determinants were developed which allows for prediction of the symmetry of the phase after a phase transition provided that the symmetry prior to the phase transition is known. Numerical results are presented which are in agreement with known phase behavior of actual alloys. In chapters 5-8, the Chern-Simons field theory as well as some known analogies between fluid mechanics and electrodynamics are exploited in order to model suspensions of hard spheres in the presence of a proposed hydrodynamic interaction. In this formalism, a number of rheological phenomena are then explained by screening of hydrodynamic interaction, which is shown to occur in much the same way as the Meisner effect in superconductors.

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