Institute for Physical Science & Technology

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Theodore R. Kirkpatrick

Professor, Joint/Physics
Statistical Physics

Professor Kirkpatrick and his collaborators work in the general area of strongly correlated and disordered electronic systems at low temperatures. Their prime objective of this project is to understand the phase transitions and other collective phenomena in such systems. One particular goal is to further develop and apply an effective field theory that has been developed by them and which allows for a systematic treatment of electronic systems with static impurities. The methods employed to study this problem include effective field theories, renormalization group techniques, and many- body perturbation theory. Specific systems for which this project is relevant include magnets with impurities, superconductors, and doped semiconductors. The conclusions drawn from these studies will be of interest to those concerned with the electrical and magnetic properties of matter.

Selected publications:

1. The Anderson-Mott Transition, D. Belitz and T.R. Kirkpatrick, Rev. Mod. Phys. 66, 261-380 (1994).
2. Theory of Many-Fermion Systems, D. Belitz and T.R. Kirkpatrick Phys. Rev. B 56, 6513-6541 (1997).
3. Quantum Critical Behavior of Disordered Itinerant Ferromagnets, T.R. Kirkpatrick and D. Belitz, Phys. Rev. B 53, 14364-14376 (1996).
4. Metal-superconductor-transition at Zero Temp-erature: A case of unusual scaling, T.R. Kirkpatrick and D. Belitz, Phys. Rev. Lett. 79, 3042-3045 (1997).
5. Long-Range Correlations and Generic Scale Invariance in Classical Fluids and Disordered Electron Systems, T.R. Kirkpatrick and D. Belitz, J. Stat. Phys. 87, 1307-1322 (1997).