Transport in two-dimensional topological materials: recent developments in experiment and theory

D Culcer, AC Keser, Y Li, G Tkachov - 2D Materials, 2020 - iopscience.iop.org
We review theoretical and experimental highlights in transport in two-dimensional
topological materials over the last five years. Topological materials comprise topological …

Quantifying the promotion of Cu catalysts by ZnO for methanol synthesis

S Kuld, M Thorhauge, H Falsig, CF Elkjær, S Helveg… - Science, 2016 - science.org
Promoter elements enhance the activity and selectivity of heterogeneous catalysts. Here, we
show how methanol synthesis from synthesis gas over copper (Cu) nanoparticles is boosted …

Gapless Andreev bound states in the quantum spin Hall insulator HgTe

E Bocquillon, RS Deacon, J Wiedenmann… - Nature …, 2017 - nature.com
In recent years, Majorana physics has attracted considerable attention because of exotic
new phenomena and its prospects for fault-tolerant topological quantum computation. To …

Two-dimensional superconductors with intrinsic p-wave pairing or nontrivial band topology

W Qin, J Gao, P Cui, Z Zhang - Science China Physics, Mechanics & …, 2023 - Springer
Over the past fifteen years, tremendous efforts have been devoted to realizing topological
superconductivity in realistic materials and systems, predominately propelled by their …

Edge-mode superconductivity in a two-dimensional topological insulator

VS Pribiag, AJA Beukman, F Qu, MC Cassidy… - Nature …, 2015 - nature.com
Topological superconductivity is an exotic state of matter that supports Majorana zero-
modes, which have been predicted to occur in the surface states of three-dimensional …

Supercurrent in the quantum Hall regime

F Amet, CT Ke, IV Borzenets, J Wang, K Watanabe… - Science, 2016 - science.org
A promising route for creating topological states and excitations is to combine
superconductivity and the quantum Hall (QH) effect. Despite this potential, signatures of …

Majorana zero modes in graphene

P San-Jose, JL Lado, R Aguado, F Guinea… - Physical Review X, 2015 - APS
A clear demonstration of topological superconductivity (TS) and Majorana zero modes
remains one of the major pending goals in the field of topological materials. One common …

Uncovering topological edge states in twisted bilayer graphene

M Fortin-Deschênes, R Pu, YF Zhou, C Ma… - Nano Letters, 2022 - ACS Publications
Twisted bilayer graphene (t-BLG) has recently been introduced as a rich physical platform
displaying flat electronic bands, strongly correlated states, and unconventional …

Signatures of topological Josephson junctions

Y Peng, F Pientka, E Berg, Y Oreg, F von Oppen - Physical Review B, 2016 - APS
Quasiparticle poisoning and diabatic transitions may significantly narrow the window for the
experimental observation of the 4 π-periodic dc Josephson effect predicted for topological …

Nonlocal thermoelectricity in a superconductor–topological-insulator–superconductor junction in contact with a normal-metal probe: Evidence for helical edge states

G Blasi, F Taddei, L Arrachea, M Carrega, A Braggio - Physical Review Letters, 2020 - APS
We consider a Josephson junction hosting a Kramers pair of helical edge states of a
quantum spin Hall bar in contact with a normal-metal probe. In this hybrid system, the orbital …