Galerkin Finite Element Methods for Parabolic Problems (Springer Series in Computational Mathematics)
Transitions from static to dynamic state in three stacked josephson junctions
LSSC'09 Proceedings of the 7th international conference on Large-Scale Scientific Computing
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The static distributions of the magnetic flux in stacked Josephson junctions are investigated numerically. To solve the nonlinear boundary value problem an iterative algorithm, based on the Continuous analog of Newton method is constructed. The linearized problems at every iteration step are solved by the Galerkin finite element method. In order to study the stability of possible distributions a Sturm-Liouville problem is generated. A minimal eigenvalue equal to zero means a bifurcation of the corresponding solution. The subspace iteration method is used to find the smallest eigenvalues and the corresponding eigenvectors.