M. A. Zelikman* and K. A. Potseluev
St. Petersburg State Technical University, Politekhnicheskaya ul. 29, St. Petersburg, 195251 Russia
*e-mail: marzelik@mail.ru
Received February 11, 2013
Abstract—On the basis of the fluxoid quantization conditions, we derive a system of equations describing the
current configuration of two interacting linear vortices in a 3D ordered Josephson medium in the entire range
of possible values of structural factor b. The axes of these vortices are located in the middle row of an infinite
strip with a width comprising 13 meshes. We propose a method for solving this system, which makes it possible
to calculate the current configurations exactly. The critical values of pinning parameter Id are calculated, for
which two linear vortices can still be kept at a distance of d meshes between their centers in the entire range of
possible values of parameter b. The formula describing the Id(b) dependences for various values of d is derived.
The dependences of the maximal pinning force F on parameter I for various values of b are analyzed. It is shown
that for the same value of I, larger values of b correspond to larger maximal pinning forces.
DOI: 10.1134/S1063784214010228
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