Magnetization harmonics for YBa2Cu3O7 − x textured polycrystals above the superconducting transition temperature

Kuz’michev, N. D.; Slavkin, V. V.

doi:10.1134/s106378340709003x

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2012

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“…To this end, it is necessary to have a map of the screening superconducting current and to know the magnetization of the sample. This subject has been extensively considered both in Russia and abroad (see, for example, [1][2][3][4][5][6][7]). In simple calcu lations of the magnetization of type II superconduc tors in the critical state, the external field was assumed to be totally screened at the center or axis of the sam ple having the form of, for example, a cylinder or a plate.…”

Section: Introductionmentioning

confidence: 99%

Magnetization of type-II superconductors in the form of short cylinders and the screening supercurrent distribution in the Bean model

Kuz’michev

Fedchenko

2012

Tech. Phys.

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The simplest analytical form of the screening supercurrent distribution is found, and the magne tization of type II (hard) superconductors in the form of finite length cylinders and disks (pellets) is calcu lated. Calculations are carried out in terms of the Bean model taking into account the curvature of magnetic field lines. From this distribution, the total magnetic field intensity and the magnetization hysteresis loop are calculated for such samples in different cases.

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