Phys. Rev. B 64, 212503 (2001) [3 pages]Structure of a superconducting vortex pinned by a screw dislocationReceived 22 June 2001; published 1 November 2001 Spatial dependence of the magnetic field and the superconducting current in a flux line pinned by a screw dislocation are computed. Interaction of a superconducting vortex with the chiral-symmetry breaking elastic strain of a screw dislocation results in a helical current along the axis of the dislocation. It is argued that screw dislocations make impossible a force-free arrangement of flux lines in the presence of a transport current. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.64.212503
DOI:
10.1103/PhysRevB.64.212503
PACS:
74.20.De, 74.60.-w
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