Flux-line pinning by point defects in anisotropic biaxial type-II superconductors

G. P. Mikitik; E. H. Brandt

doi:10.1103/PhysRevB.79.020506

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Flux-line pinning by point defects in anisotropic biaxial type-II superconductors

G. P. Mikitik, E. H. Brandt

DOI 10.1103/PhysRevB.79.020506 · Physical Review B

T1

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Abstract

The pinning force for an arbitrarily oriented individual vortex in a biaxial type-II superconductor is calculated from the collective pinning theory. It is shown that in anisotropic superconductors the critical force at which the vortex starts to move can be smaller than the pinning force since the vortex will move at an angle to the acting force. Explicit expressions for this angle and for the critical force and critical current density are given.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
YBa2Cu3O6.991 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown
YBa2Cu3O6.995 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown