Anomalous features of the proximity effect in triplet superconductors

Abstract

Anomalous features of the proximity effect specific to diffusive normal metal / triplet superconductor (DN/TS) junctions are studied within the quasiclassical Green's function formalism. The pair amplitude $f_N$ as a function of energy $\epsilon$ in DN, satisfies an anomalous relation, , contrary to that in singlet superconductor junctions case where $f_N(\epsilon )=f_N^{\ast }(-$. Such an unusual $\epsilon$ dependence is responsible for a zero energy peak in the local density of states and is a source of an anomalous penetration of the applied magnetic field into DN. % Our results are relevant to Sr${}_2$RuO${}_4$, which is considered to have a $p_x+i{p}_y$-wave symmetry.

5 pages

References in corpus (4)

• Theory of enhanced proximity effect by mid gap Andreev resonant state in diffusive normal metal / triplet superconductor junctions
• Theory of charge transport in diffusive normal metal / unconventional singlet superconductor contacts
• Josephson interferometer in a ring topology as a symmetry prove of Sr_2RuO_4
• Tunneling properties at the interface between superconducting Sr2RuO4 and a Ru micro-inclusion

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