activity
20202025
most citedSuperconductivity without insulating states in twisted bilayer graphene stabilized by monolayer WSe

366 citations · 496 across the 8 of their papers we have counts for

collaborators

9 papers

cond-mat.supr-con2025

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Hyunjin Kim, Gautam Rai, Lorenzo Crippa +15

Magic-angle twisted multilayer graphene stands out as a highly tunable class of moiré materials that exhibit strong electronic correlations and robust superconductivity. However, u…

cond-mat.supr-con2024

Observation of Cooper-pair density modulation state

Lingyuan Kong, Michał Papaj, Hyunjin Kim +8

Superconducting states that break space-group symmetries of the underlying crystal can exhibit nontrivial spatial modulation of the order parameter. Previously, such remarkable sta…

cond-mat.str-el2023★ 87 cited

Imaging inter-valley coherent order in magic-angle twisted trilayer graphene

Hyunjin Kim, Youngjoon Choi, Étienne Lantagne-Hurtubise +12

Magic-angle twisted trilayer graphene (MATTG) exhibits a range of strongly correlated electronic phases that spontaneously break its underlying symmetries. The microscopic nature o…

cond-mat.str-el2022★ 11 cited

Hierarchy of Symmetry Breaking Correlated Phases in Twisted Bilayer Graphene

Robert Polski, Yiran Zhang, Yang Peng +8

Twisted bilayer graphene (TBG) near the magic twist angle of exhibits a rich phase diagram. However, the interplay between different phases and their dependence on tw…

cond-mat.supr-con2021★ 12 cited

Ascendance of Superconductivity in Magic-Angle Graphene Multilayers

Yiran Zhang, Robert Polski, Cyprian Lewandowski +10

Graphene moire superlattices have emerged as a platform hosting and abundance of correlated insulating, topological, and superconducting phases. While the origins of strong correla…

cond-mat.mes-hall2021★ 14 cited

Spectroscopic Signatures of Strong Correlations and Unconventional Superconductivity in Twisted Trilayer Graphene

Hyunjin Kim, Youngjoon Choi, Cyprian Lewandowski +7

Magic-angle twisted trilayer graphene (MATTG) has emerged as a novel moiré material that exhibits both strong electronic correlations and unconventional superconductivity. However,…

cond-mat.str-el2021

Interaction-driven Band Flattening and Correlated Phases in Twisted Bilayer Graphene

Youngjoon Choi, Hyunjin Kim, Cyprian Lewandowski +8

Flat electronic bands, characteristic of magic-angle twisted bilayer graphene (TBG), host a wealth of correlated phenomena. Early theoretical considerations suggested that, at the…

cond-mat.str-el2020★ 6 cited

Tracing out Correlated Chern Insulators in Magic Angle Twisted Bilayer Graphene

Youngjoon Choi, Hyunjin Kim, Yang Peng +9

Magic-angle twisted bilayer graphene (MATBG) exhibits a range of correlated phenomena that originate from strong electron-electron interactions. These interactions make the Fermi s…

cond-mat.supr-con2020★ 366 cited

Superconductivity without insulating states in twisted bilayer graphene stabilized by monolayer WSe

Harpreet Singh Arora, Robert Polski, Yiran Zhang +11

Magic-angle twisted bilayer graphene (TBG), with rotational misalignment close to 1.1, features isolated flat electronic bands that host a rich phase diagram of correlated…