Tilt grain-boundary effects in s- and d-wave superconductors
J. J. Hogan-O’Neill, A. M. Martin, J. F. Annett
DOI 10.1103/PhysRevB.60.3568 · Physical Review B
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Abstract
We present self-consistent calculations of supercurrent flows in a realistic tilt grain boundary. We obtain the current-phase characteristics in both s-wave and d-wave superconductors. We do this self-consistently within the framework of the Bogoliubov–de Gennes equations, using a realistic microscopic model of the grain boundary. This yields the s- and d-wave superconductor order parameters in the vicinity of the boundary and the respective quasiparticle local density of states.
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