机译:Reprint of: Foreword (Solid State Communications 2007, Volume 143, Issues 2728, Pages 12)
Department of Physics, University of Texas at Austin, Austin, TX 78712, United States;
Physics Department, University of Maryland, College Park, MD 20742-4111, United States;
Physics Department, University of Manchester, M13 9PL Manchester, United KingdomPhysics Department, Columbia University, New York, NY 10027, United States;