EPJ Web of Conferences
Volume 108, 2016Mathematical Modeling and Computational Physics (MMCP 2015)
|Number of page(s)||6|
|Published online||09 February 2016|
Numerical Study of a System of Long Josephson Junctions with Inductive and Capacitive Couplings
1 BLTP, Joint Institute for Nuclear Research, , 141980 Dubna, Russia
2 Umarov Physical and Technical Institute, Dushanbe, Tajikistan
3 Dubna International University for Nature, Society and Man, Dubna, Russia
4 Department of Experimental Physics, Comenius University, Bratislava, Slovakia
5 LIT, Joint Institute for Nuclear Research, 141980 Dubna, Russia
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Published online: 9 February 2016
The phase dynamics of the stacked long Josephson junctions is investigated taking into account the inductive and capacitive couplings between junctions and the diffusion current. The simulation of the current–voltage characteristics is based on the numerical solution of a system of nonlinear partial differential equations by a fourth order Runge–Kutta method and finite-difference approximation. A parallel implementation is based on the MPI technique. The effectiveness of the MPI/C++ code is confirmed by calculations on the multi-processor cluster CICC (LIT JINR, Dubna). We demonstrate the appearance of the charge traveling wave (CTW) at the boundary of the zero field step. Based on this fact, we conclude that the CTW and the fluxons coexist.
© Owned by the authors, published by EDP Sciences, 2016
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