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46 papers · 1 filter
Growth and hydrostatic-pressure study of a type-II superconductor BiTaS single crystal
Li Chenglin, Yang Yaling, Yang Zhilong +9
We report the growth and physical properties of single-crystalline BiTaS crystallizing in space group, which comprises alternating Ta-S layers and Bi layers…
Coupling of Klein-Andreev Resonant States in BiSrCaCuO-graphene-BiSrCaCuO Devices
Sharadh Jois, Jose L. Lado, Genda Gu +2
Quantum devices require coherent coupling over macroscopic distances. Recently, resonances due to Klein tunneling and Andreev reflection states (KARS) have been observed in a natur…
Magneto-Chiral Anisotropy in Josephson Diode Effect of All-Metallic Lateral Junctions with Interfacial Rashba Spin-Orbit Coupling
Maximilian Mangold, Lorenz Bauriedl, Johanna Berger +7
We explore the role of interfacial Rashba spin-orbit coupling (SOC) for the Josephson diode effect in all-metal diffusive Josephson junctions. Devices with Fe/Pt and Cu/Pt weak lin…
Superfluid weight in disordered flat-band superconductors as a competition between localization functionals
Kryštof Kolář, Tero T. Heikkilä, Päivi Törmä
According to Anderson's theorem, the gap of a time-reversal symmetric weak-coupling superconductor is unaffected by non-magnetic disorder. However, the superfluid weight (stiffness…
Revisiting dissipation-driven phase transition in a Josephson junction
Diego Subero, Yu-Cheng Chang, Miguel Monteiro +2
Despite extensive experimental and theoretical work over several decades, Schmid-Bulgadaev quantum phase transition remains a subject of debate. Here we revisit this problem by per…
Finite-momentum mixed singlet-triplet pairing in chiral antiferromagnets induced by even-parity spin texture
Song-Bo Zhang, Lun-Hui Hu
Non-relativistic spin-splitting in unconventional antiferromagnets has garnered much attention for its promising spintronic applications and open fundamental questions. Here, we un…