Thesis (M.S.)--American University of Beirut, Department of Physics, 2013.
Advisor : Dr. Jihad Touma, Professor, Department of Physics--Committee Members : Dr. Leonid Klushin, Professor, Department of Physics ; Dr. Mounib El-Eid, Professor, Department of Physics ; Dr. Seshadri Sridhar, Professor, Department of Physics.
Includes bibliographical references (leaves 83-84)