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I do theoretical modeling of magnetism in rocks and bacteria. I have worked on the size dependence of magnetic properties and the role of dislocations, but my primary focus now is on systems of interacting nanomagnets – their magnetic hysteresis and the role of thermal fluctuations. Primary applications are in paleomagnetism and environmental magnetism. I have also investigated the role of magneto-aerotaxis in the swimming behavior of magnetotactic bacteria.


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Ph. D., Geophysics, University of Washington (1997)
M. Sc., Geophysics, University of Toronto (1991)
B. Sc., Mathematics and Physics, University of Toronto (1987)