| Issue |
Europhys. Lett.
Volume 67, Number 4, August 2004
|
|
|---|---|---|
| Page(s) | 648 - 654 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-10303-0 | |
| Published online | 01 August 2004 | |
Grain boundary effects on transport properties in strongly coupled superconductors: A Monte Carlo study
1
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: apmath@dgma.donetsk.ua
Received:
20
August
2003
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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