James K. Freericks
Jim Freericks is the Robert L. McDevitt, K.S.G., K.C.H.S. and Catherine H. McDevitt, L.C.H.S. Chair and Professor of Physics at Georgetown University, where he has been since 1994. He received his undergraduate degree from Princeton University, his graduate degree from the University of California, Berkeley, and did postdoctoral fellowships at the Institute for Theoretical Physics at the University of California, Santa Barbara, and at the University of California, Davis. He is a fellow of the American Physical Society and has written a graduate level text on transport in multilayered nanostructures which won the 2009 Alpha Sigma Nu award for the best science book. He is a co-developer of nonequilibrium dynamical mean-field theory.
A quick-acting ac field may change the repulsive interaction in a system of correlated electrons to an attractive one.