Volume 67, Number 4, August 2004
|Page(s)||648 - 654|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 August 2004|
Grain boundary effects on transport properties in strongly coupled superconductors: A Monte Carlo study
Donetsk Physics and Technology Institute NAS of Ukraine 72 R. Luxemburg Street, 83114 Donetsk, Ukraine
2 Department of Applied Mathematics, Donbass Engineering Academy 84313 Kramatorsk, Ukraine
Corresponding author: email@example.com
Accepted: 8 June 2004
We investigate the current transfer in strongly-coupled oriented superconductors of the type and related system by Monte Carlo simulation. Taking into account the grain boundary effects on the critical current density in a separate grain (L. V. Belevtsov, Europhys. Lett. 59 (2002) 768) we extend our study to the bulk characteristics of transport. The motivation for this work was to investigate the dependence of bulk on magnetic field, grain-coupling strength, normalized grain size and mass anisotropy. We have found the strong correlation between the grain and massive transport properties.
PACS: 74.25.Qt – Vortex lattices, flux pining, flux creep / 74.25.Sv – Critical currents
© EDP Sciences, 2004
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