M. M. Fogler,1,* D. S. Novikov,2,3 L. I. Glazman,2,3 and B. I. Shklovskii2 1Department of Physics, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA 2W. I. Fine Theoretical Physics Institute, University of Minnesota, Minneapolis, Minnesota 55455, USA 3Department of Physics, Yale University, New Haven, Connecticut 06511, USA Received 21 November 2007; publish...