Religija, kalba, kultūra ir politika XI‒XX amžiuje

Apie tarptautinį seminarą „Religious Communities and Political Constructions: Balkans, Eastern Europe, Mediterranean (11th‒20thCenturies)

Strong magnetic field dependence of critical current densities and vortex activation energies in an anisotropic clean MgB2 thin film

We report the influence of two-band superconductivity on the flux creep and the critical current densities of a MgB2 thin film. The small magnetic penetration depth of lambda=50 +/- 10 nm at T=4 K is related to a clean pi-band. We find a high self-field critical current density J(C), which is strongly reduced with applied magnetic field, and attribute this to suppression of the superconductivity in the pi-band. The temperature dependence of the creep rate S (T) at low magnetic field can be explained by a simple Anderson-Kim mechanism. The system shows high pinning energies at low field that are strongly suppressed by high field. (C) 2014 Elsevier Ltd. All rights reserved.X1112Ysciescopu

A special study of the language and contents of Josephus’ ‘Jewish Antiquities’ books XI - XX

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