Abstract
The behavior of ceramic HTSC Bi-Pb-Sr-Ca-Cu-Fe-O with the Josephson medium within the range of magnetic fields H = 0–600 mOe under the conditions of compensation for the Earth’s magnetic field is investigated experimentally. The fields describing the phases of successive penetration of hypervortices and Josephson’s vortices into a sample and the dependence of the penetration field H cl on the orthogonal biasing magnetic field are determined. The obtained results are interpreted within the framework of the commonly accepted model of a Josephson medium and the model that gives the averaged description of the behavior of non-identical Josephson contacts.
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