Theoretical condensed matter physics, especially the relationship of theories of strongly correlated electrons in solids and of quantum transitions to the behavior of novel materials including high temperature superconductors, 'colossal' magnetoresistance manganites,quasi one dimensional conductors, heavy fermion systems, and nearly magnetic systems. Optical conductivity as a probe of correlated electron physics; physics governing magnetic transition temperatures in 'half metals'; superconductivity near quantum critical points; electron-phonon coupling in correlated electron systems; effect of disorder on correlated electron and quantum critical materials; phase fluctuations and the theory of the 'pseudogap' in high temperature superconductors; interplay between local electronic physics and strain fields; relation of Luttinger Liquid physics to experiments on quantum wires; nonequilibrium behavior of correlated systems; theory of magnetic semiconductors..
 

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