Topological superconductivity in a magnetic-texture coupled Josephson junction
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Topological superconductivity in a magnetic-texture coupled Josephson junction. / Sardinero, Ignacio; Seoane Souto, Rubén; Burset, Pablo.
I: Physical Review B, Bind 110, Nr. 6, L060505, 08.08.2024.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Topological superconductivity in a magnetic-texture coupled Josephson junction
AU - Sardinero, Ignacio
AU - Seoane Souto, Rubén
AU - Burset, Pablo
N1 - Publisher Copyright: © 2024 American Physical Society.
PY - 2024/8/8
Y1 - 2024/8/8
N2 - Topological superconductors are appealing building blocks for robust and reliable quantum information processing. Most platforms for engineering topological superconductivity rely on a combination of superconductors, materials with intrinsic strong spin-orbit coupling, and external magnetic fields, detrimental for superconductivity. We propose a setup where a conventional Josephson junction is linked via a magnetic-textured barrier. Antiferromagnetic and ferromagnetic insulators with periodically arranged domains are compatible with our proposal, which does not require intrinsic spin-orbit or external magnetic fields. We find that the topological phase depends on the magnitude and period of the barrier magnetization. The superconducting phase controls the topological transition, which could be detected as a sharp suppression of the supercurrent across the junction.
AB - Topological superconductors are appealing building blocks for robust and reliable quantum information processing. Most platforms for engineering topological superconductivity rely on a combination of superconductors, materials with intrinsic strong spin-orbit coupling, and external magnetic fields, detrimental for superconductivity. We propose a setup where a conventional Josephson junction is linked via a magnetic-textured barrier. Antiferromagnetic and ferromagnetic insulators with periodically arranged domains are compatible with our proposal, which does not require intrinsic spin-orbit or external magnetic fields. We find that the topological phase depends on the magnitude and period of the barrier magnetization. The superconducting phase controls the topological transition, which could be detected as a sharp suppression of the supercurrent across the junction.
U2 - 10.1103/PhysRevB.110.L060505
DO - 10.1103/PhysRevB.110.L060505
M3 - Journal article
AN - SCOPUS:85201112819
VL - 110
JO - Physical Review B
JF - Physical Review B
SN - 2469-9950
IS - 6
M1 - L060505
ER -
ID: 402402154