Electrical control of crossed Andreev reflection and spin-valley switch in antiferromagnet/superconductor junctions

WT Lu, QF Sun - Physical Review B, 2021 - APS
We study the subgap transport through the antiferromagnet/superconductor (AF/S) and
antiferromagnet/superconductor/antiferromagnet (AF/S/AF) junctions controlled by electric …

Effect of magnetic field and chemical potential on the RKKY interaction in the lattice

O Roslyak, G Gumbs, A Balassis, H Elsayed - Physical Review B, 2021 - APS
The interaction energy of the indirect-exchange or Ruderman-Kittel-Kasuya-Yosida (RKKY)
interaction between magnetic spins localized on lattice sites of the α-T 3 model is calculated …

Equal-spin and oblique-spin crossed Andreev reflections in ferromagnet/Ising superconductor/ferromagnet junction

WT Lu, QF Sun, Q Cheng - Physical Review B, 2022 - APS
We study the subgap transport through a ferromagnet/Ising superconductor/ferromagnet
(F/ISC/F) junction by solving the Bogoliubov–de Gennes equations. It is found that the …

Finite bulk Josephson currents and chirality blockade removal from interorbital pairing in magnetic Weyl semimetals

P Dutta, F Parhizgar, AM Black-Schaffer - Physical Review B, 2020 - APS
Magnetic Weyl semimetals (WSMs) have been presumed to be immune to proximity-induced
spin-singlet superconducting pairing due to a chirality blockade of the regular Andreev …

[HTML][HTML] Interface Superconductivity in a Dirac Semimetal NiTe2

VD Esin, OO Shvetsov, AV Timonina, NN Kolesnikov… - Nanomaterials, 2022 - mdpi.com
We experimentally investigated charge transport through a single planar junction between a
NiTe 2 Dirac semimetal and a normal gold lead. At milli-Kelvin temperatures, we observe …

Signature of odd-frequency equal-spin triplet pairing in the Josephson current on the surface of Weyl nodal loop semimetals

P Dutta, AM Black-Schaffer - Physical Review B, 2019 - APS
We theoretically predict proximity-induced odd-frequency (odd-ω) pairing on the surface of a
Weyl nodal loop semimetal, characterized by a nodal loop Fermi surface and drumheadlike …

Electronic states of pseudospin-1 fermions in lattice ribbons in a magnetic field

OV Bugaiko, DO Oriekhov - Journal of Physics: Condensed …, 2019 - iopscience.iop.org
The electronic states on a finite width ribbon in a magnetic field are studied in the framework
of low-energy effective theory. Both zigzag and armchair types of boundary conditions are …

Manipulation of Cooper pair entanglement in hybrid topological Josephson junctions

G Blasi, F Taddei, V Giovannetti, A Braggio - Physical Review B, 2019 - APS
In this work we investigate the supercurrent in a hybrid topological Josephson junction
consisting of two planes of topological insulator (TI) in a specific configuration, which allows …

Enhancement of crossed Andreev reflection in a Kitaev ladder connected to normal metal leads

R Nehra, DS Bhakuni, A Sharma… - Journal of Physics …, 2019 - iopscience.iop.org
We study nonlocal transport in a two-leg Kitaev ladder connected to two normal metals. The
coupling between the two legs of the ladder when the legs are maintained at a (large) …

Shot noise in topological insulator-based ferromagnet/p-wave superconductor junctions

H Li, X Yang - Physica C: Superconductivity and its Applications, 2023 - Elsevier
The differential shot noise and Fano factor in topological insulator-based ferromagnet/p-
wave superconductor (TI-based FM/p-wave SC) junctions is theoretically investigated based …