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Erschienen in:
01.11.2018 | THEORETICAL AND MATHEMATICAL PHYSICS
Hysteresis in the Behavior of a 3D Ordered Josephson Medium in a Magnetic Field for Not Small Values of Pinning Parameters
Erschienen in: Technical Physics | Ausgabe 11/2018
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Abstract
The magnetization curve for a 3D ordered Josephson medium is calculated using an approach based on analysis of the continuous variation of the configuration in the direction of decreasing Gibbs potential under a cyclic variation of the external magnetic field for not small values of the pinning parameter. It is shown that the extreme regions of the hysteresis loop always lie on the main magnetization curve. The variation of vortex sequences as well as magnetic field profile in the sample under cyclic variation of the external magnetic field is investigated. It is shown that the magnetic field relief in the sample consists of two (increasing and decreasing) linear segments with identical absolute values of curvature.