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arxiv: 1705.09287 · v1 · submitted 2017-05-24 · ❄️ cond-mat.mes-hall

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Effects due to unconventional pairing in transport through a normal metalsuperconductor-normal metal hybrid junction

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classification ❄️ cond-mat.mes-hall
keywords junctionchiraldeltaenergymetalnormalpairingpeak
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We explore transport properties of a normal metal-superconductor-normal metal (NSN) junction, where the superconducting region supports mixed singlet and chiral triplet pairings. We show that in the subgapped regime when the chiral triplet pairing amplitude dominates over that of the singlet, a resonance phenomena emerges out where all the quantum mechanical scattering probabilities acquire a value of 0.25. At the resonance, crossed Andreev reflection mediating through such junction, acquires a zero energy peak. This reflects as a zero energy peak in the conductance as well in the topological phase when $\Delta_p > \Delta_s$.

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