Possible Josephson-like behavior of the YBa2Cu3O7-x single crystal twin boundaries in low magnetic fields
V. P. Timofeev, A. V. Bondarenko
Abstract
The experimental results on the magnetic response of YBCO single crystals with unidirectional twin boundary planes in low magnetic fields (0.01 - 1 Oe) are discussed. The observed non-monotone temperature dependence of magnetization is interpreted within a plausible model of a system of the Josephson weak links in the twin boundary planes and on the basis of the order parameter anisotropy.
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