Quantitative theory of triplet pairing in the unconventional superconductor

SK Ghosh, G Csire, P Whittlesea, JF Annett… - Physical Review B, 2020 - APS
The exceptionally low-symmetry crystal structures of the time-reversal symmetry-breaking
superconductors LaNiC 2 and LaNiGa 2 lead to an internally antisymmetric nonunitary triplet …

Topological superconductivity from first principles. I. Shiba band structure and topological edge states of artificial spin chains

B Nyári, A Lászlóffy, G Csire, L Szunyogh, B Újfalussy - Physical Review B, 2023 - APS
Magnetic chains on superconductors hosting Majorana zero modes (MZMs) have attracted a
great deal of interest due to their possible applications in fault-tolerant quantum computing …

Search for large topological gaps in atomic spin chains on proximitized superconducting heavy-metal layers

P Beck, B Nyári, L Schneider, L Rózsa… - Communications …, 2023 - nature.com
One-dimensional systems comprising s-wave superconductivity with meticulously tuned
magnetism realize topological superconductors hosting Majorana modes whose stability is …

Topological superconductivity from first principles. II. Effects from manipulation of spin spirals: Topological fragmentation, braiding, and quasi-Majorana bound states

A Lászlóffy, B Nyári, G Csire, L Szunyogh, B Újfalussy - Physical Review B, 2023 - APS
Recent advances in electron spin resonance techniques have allowed the manipulation of
the spin of individual atoms, making magnetic atomic chains on superconducting hosts one …

Effects of strong spin-orbit coupling on Shiba states from magnetic adatoms using first-principles theory

K Park, B Nyari, A Laszloffy, L Szunyogh… - New Journal of …, 2023 - iopscience.iop.org
Magnetic impurities at surfaces of superconductors can induce bound states referred to as
Yu–Shiba–Rusinov states (ie Shiba states) within superconducting (SC) gaps. For …

Magnetic structure of monatomic Fe chains on Re (0001): Emergence of chiral multispin interactions

A Lászlóffy, L Rózsa, K Palotás, L Udvardi, L Szunyogh - Physical Review B, 2019 - APS
We present results of first-principles calculations of the magnetic properties of Fe chains
deposited on the Re (0001) surface. By increasing the length of the chain, a transition is …

Supercurrent decay in ballistic magnetic Josephson junctions

H Ness, IA Sadovskyy, AE Antipov… - npj Computational …, 2022 - nature.com
We investigate transport properties of ballistic magnetic Josephson junctions and establish
that suppression of supercurrent is an intrinsic property of the junctions, even in absence of …

Classification of yu-shiba-rusinov states of magnetic impurities on superconducting surfaces: A fully relativistic first-principles study

A Lászlóffy, B Nyári, L Szunyogh, K Park, B Ujfalussy - Physical Review B, 2023 - APS
Magnetic adatoms at surfaces of superconductors may induce localized bound states within
the superconducting energy gap referred to as Yu-Shiba-Rusinov (YSR) states. We solve …

Gap anisotropy in multiband superconductors based on multiple scattering theory

TG Saunderson, JF Annett, B Újfalussy, G Csire… - Physical Review B, 2020 - APS
We implement the Bogoliubov–de Gennes equation in a screened Korringa-Kohn-Rostoker
method for solving, self-consistently, the superconducting state for three-dimensional …

Nonunitary triplet pairing in the noncentrosymmetric superconductor LaNiC2

G Csire, B Újfalussy, JF Annett - The European Physical Journal B, 2018 - Springer
We present a first-principles based semiphenomenological approach to study the
superconductivity in the noncentrosymmetric superconductor LaNiC 2 with spin–orbit …