Institut für Geophysik, ETH Zürich, Zürich, 8093 Switzerland ; Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States
Princeton Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543 United States ; Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States
Center for Plasma Theory and Computation University of Wisconsin-Madison, 1500 Engineering Drive, Madison, WI 53706 United States ; Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States
Princeton Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543 United States ; Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States
Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States
Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States
Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States
Department of Physics University of Wisconsin-Madison, 1150 University Avenue, Madison, WI 53706 United States