Superconducting d-wave junctions: The disappearance of the odd ac components
Tomas Löfwander, Göran Johansson, Magnus Hurd, Göran Wendin
DOI 10.1103/PhysRevB.57.R3225 · Physical Review B
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Abstract
We study voltage-biased superconducting planar d-wave junctions for arbitrary transmission and arbitrary orientation of the order parameters of the superconductors. For a certain orientation of the superconductors the odd ac components disappear, resulting in a doubling of the Josephson frequency. We study the sensitivity of this disappearance to orientation and compare with experiments on grain boundary junctions. We also discuss the possibility of a current flow parallel to the junction.
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