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Autori principali: Dawson, Robert, Aji, Vivek
Natura: Preprint
Pubblicazione: 2023
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Accesso online:https://arxiv.org/abs/2312.00187
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author Dawson, Robert
Aji, Vivek
author_facet Dawson, Robert
Aji, Vivek
contents Inducing superconductivity in systems with unconventional band structures is a promising approach for realising unconventional superconductivity. Of particular interest are single interface or Josephson Junction architectures involving Weyl semimetals, which are predicted to host odd parity, potentially topological, superconducting states. These expectations rely crucially on the tunneling of electronic states at the interface between the two systems. In this study, we revisit the question of induced superconductivity in an inversion broken WSM via quantum tunneling, treating the interface as an effective potential barrier. We determine the conditions under which the gap function couples to the Weyl physics and its properties within the WSM. Our simulations show that the mismatch in the nature of the low energy electronic states leads to a rapid decay of the superconductivity within the semi-metal.
format Preprint
id arxiv_https___arxiv_org_abs_2312_00187
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Proximity effect of s-wave superconductor on inversion broken Weyl Semi-Metal
Dawson, Robert
Aji, Vivek
Superconductivity
Inducing superconductivity in systems with unconventional band structures is a promising approach for realising unconventional superconductivity. Of particular interest are single interface or Josephson Junction architectures involving Weyl semimetals, which are predicted to host odd parity, potentially topological, superconducting states. These expectations rely crucially on the tunneling of electronic states at the interface between the two systems. In this study, we revisit the question of induced superconductivity in an inversion broken WSM via quantum tunneling, treating the interface as an effective potential barrier. We determine the conditions under which the gap function couples to the Weyl physics and its properties within the WSM. Our simulations show that the mismatch in the nature of the low energy electronic states leads to a rapid decay of the superconductivity within the semi-metal.
title Proximity effect of s-wave superconductor on inversion broken Weyl Semi-Metal
topic Superconductivity
url https://arxiv.org/abs/2312.00187