Benchmarking noise and dephasing in emerging electrical materials for quantum technologies

S Islam, S Shamim, A Ghosh - Advanced Materials, 2023 - Wiley Online Library
As quantum technologies develop, a specific class of electrically conducting materials is
rapidly gaining interest because they not only form the core quantum‐enabled elements in …

Correlated insulating states and transport signature of superconductivity in twisted trilayer graphene superlattices

X Zhang, KT Tsai, Z Zhu, W Ren, Y Luo, S Carr… - Physical review …, 2021 - APS
Layers of two-dimensional materials stacked with a small twist angle give rise to beating
periodic patterns on a scale much larger than the original lattice, referred to as a “moiré …

Visualization of multifractal superconductivity in a two-dimensional transition metal dichalcogenide in the weak-disorder regime

C Rubio-Verdú, AM Garcı́a-Garcı́a, H Ryu, DJ Choi… - Nano …, 2020 - ACS Publications
Eigenstate multifractality is a distinctive feature of noninteracting disordered metals close to
a metal–insulator transition, whose properties are expected to extend to superconductivity …

Lévy flight for electrons in graphene in the presence of regions with enhanced spin-orbit coupling

DB Fonseca, ALR Barbosa, LFC Pereira - Physical Review B, 2024 - APS
In this work, we propose an electronic Lévy glass built from graphene nanoribbons in the
presence of regions with enhanced spin-orbit coupling. Although electrons in graphene …

Multifractal conductance fluctuations in high-mobility graphene in the integer quantum Hall regime

KR Amin, R Nagarajan, R Pandit, A Bid - Physical Review Letters, 2022 - APS
We present the first experimental evidence for the multifractality of a transport property at a
topological phase transition. In particular, we show that conductance fluctuations display …

Turbulence hierarchy and multifractality in the integer quantum hall transition

ALR Barbosa, THV de Lima, IRR González… - Physical Review Letters, 2022 - APS
We offer a new perspective on the problem of characterizing mesoscopic fluctuations in the
interplateau regions of the integer quantum Hall transition. We found that longitudinal and …

Quasiparticle and transport properties of disordered bilayer graphene

Y Chen, B Fu, J Xu, Q Shi, P Cui, Z Zhang - Physical Review B, 2023 - APS
In recent experimental and theoretical studies of graphene, disorder scattering processes
have been suggested to play an important role in its electronic and transport properties. In a …

Multifractal Conductance Fluctuations of Helical Edge States

EB Olshanetsky, GM Gusev, AD Levin, ZD Kvon… - Physical Review Letters, 2023 - APS
Two-dimensional topological insulators are characterized by the bulk gap and one-
dimensional helical states running along the edges. The theory predicts the topological …

Lévy flight for electrons in graphene: Superdiffusive-to-diffusive transport transition

DB Fonseca, LFC Pereira, ALR Barbosa - Physical Review B, 2023 - APS
In this paper we propose an electronic Lévy glass, analogous to a recent optical realization.
To that end, we investigate the transmission of electrons in graphene nanoribbons in the …

Multifractal magnetoconductance fluctuations in mesoscopic systems

NL Pessoa, ALR Barbosa, GL Vasconcelos… - Physical Review E, 2021 - APS
We perform a multifractal detrended fluctuation analysis of the magnetoconductance data of
two standard types of mesoscopic systems: a disordered nanowire and a ballistic chaotic …