Čerenkov-like radiation in a binary superfluid flow past an obstacle

H. Susanto, P. G. Kevrekidis, R. Carretero-González, B. A. Malomed, D. J. Frantzeskakis, and A. R. Bishop Department of Mathematics and Statistics, University of Massachusetts, Amherst, Massachusetts 01003-4515, USA Nonlinear Dynamical Systems Group, Department of Mathematics and Statistics, and Computational Science Research Center, San Diego State University, San Diego, California, 92182-7720, USA Department of Interdisciplinary Studies, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel Department of Physics, University of Athens, Panepistimiopolis, Zografos, Athens 15784, Greece Theoretical Division and Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA Received 18 January 2007; published 8 May 2007