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Local density of states of a strongly type-II d-wave superconductor: The binary alloy model in a magnetic field

J. Lages, P. D. Sacramento

DOI 10.1103/PhysRevB.71.132501 · Physical Review B

T1

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Abstract

We calculate self-consistently the local density of states (LDOS) of a d-wave superconductor considering the scattering of the quasiparticles off randomly distributed impurities and off externally induced vortices. The impurities and the vortices are randomly distributed but the vortices are preferably located near the impurities. The increase of either the impurity repulsive potential or the impurity density only affects the density of states slightly. The dominant effect is due to the vortex scattering. The results for the LDOS agree qualitatively with experimental results considering that most vortices are pinned at the impurities.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
YBCO

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—Pressure not reportedunknown
BSCCO

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—Pressure not reportedunknown

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