On Kink-Dynamics of Stacked-Josephson Junctions

H. Susanto (Department of Applied Mathematics, University of Twente, P.O. Box 217, 7500 AE Enschede)
T. P. P. Visser (Department of Applied Mathematics, University of Twente, P.O. Box 217, 7500 AE Enschede)
S. A. van Gils (Department of Applied Mathematics, University of Twente, P.O. Box 217, 7500 AE Enschede)

Journal of Mathematical and Fundamental Sciences
Vol. 34 No. 2&3 (2002)

Dynamics of a fluxon in a stack of coupled long Josephson junctions is studied numericallv. Based on the numerical simulations, we show that the dependence of the propagation velocity c on the external bias current γ is determined by the ratio of the critical currents of thc two junctions J.