Quasiperiodic pairing in graphene quasicrystals

R Ghadimi, BJ Yang - Nano Letters, 2024 - ACS Publications
We investigate the superconducting instabilities of twisted bilayer graphene quasicrystals
(TBGQCs) obtained by stacking two monolayer graphene sheets with 30° relative twisting …

Josephson effect in a Fibonacci quasicrystal

A Sandberg, OA Awoga, AM Black-Schaffer, P Holmvall - Physical Review B, 2024 - APS
Quasiperiodicity has recently been proposed to enhance superconductivity and its proximity
effect. Simultaneously, there has been significant experimental progress in the fabrication of …

Topological superconductivity in Fibonacci quasicrystals

A Kobiałka, OA Awoga, M Leijnse, T Domański… - Physical Review B, 2024 - APS
We investigate the properties of a Fibonacci quasicrystal (QC) arrangement of a one-
dimensional topological superconductor, such as a magnetic atom chain deposited on a …

Enhanced amplitude for superconductivity due to spectrum-wide wave function criticality in quasiperiodic and power-law random hop** models

X Zhang, MS Foster - Physical Review B, 2022 - APS
We study the interplay of superconductivity and a wide spectrum of critical (multifractal) wave
functions (“spectrum-wide quantum criticality,” SWQC) in the one-dimensional Aubry-André …

Stability of quasiperiodic superconductors

NS Ticea, J May-Mann, J ** dimerization and quasi-periodicity on flux-driven circular current in an incommensurate Su–Schrieffer–Heeger ring
S Roy, S Ganguly, SK Maiti - Scientific Reports, 2023 - nature.com
We report for the first time the phenomenon of flux-driven circular current in an isolated Su–
Schrieffer–Heeger (SSH) quantum ring in presence of cosine modulation in the form of the …