Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Hyunjin Kim; Gautam Rai; Lorenzo Crippa; Dumitru Călugăru; Haoyu Hu; Youngjoon Choi; Lingyuan Kong; Eli Baum; Yiran Zhang; Ludwig Holleis; Kenji Watanabe; Takashi Taniguchi; Andrea F. Young; B. Andrei Bernevig; Roser Valenti; Giorgio Sangiovanni; Tim Wehling; Stevan Nadj-Perge

doi:10.1103/PhysRevB.25.4515

Paper details

Research paper

Experimental CharacterizationComputational MultiscaleTheoretical

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Hyunjin Kim, Gautam Rai, Lorenzo Crippa, Dumitru Călugăru et al.

arXiv·2025·10.1103/PhysRevB.25.4515·arXiv:2505.17200

Samples

Each sample groups how it was prepared, characterized, and measured. Click a card to expand.

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

1 characterization4 properties7 figures

ExperimentalgrapheneStudied Material

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

2 characterizations4 properties8 figures

ExperimentalgrapheneStudied Material

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

2 characterizations1 property8 figures

ExperimentalgrapheneStudied Material

Materials

magic-angle twisted trilayer graphene

graphene

Studied Material

Also known as

MATTGtwisted trilayer graphenemoiré superconductor

Variables

twist_angle_degrees= 1.33,1.61

studied material

Why these are connected

Related documents with shared materials, methods, properties, or citations.

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor | Matter42 Literature

Properties

Type	Label	Value	Material	Sample	Condition	Source
Twist Angle	twist angle	1.33deg	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Twist Angle	twist angle	1.61deg	graphene	MATTG sample at twist angle 1.61° used to study low-temperat	—	—
Heterostrain	heterostrain	0.2%	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	intervalley-coherent gap onset	4K	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	inner gap onset	1.5K	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	intervalley-coherent gap range	ν = 1.6–2.6	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Filling Range	two-gap coexistence range	ν = -2.25 to -2.7	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	single fully developed gap range	ν = -2 to -2.25	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	qualitative side of superconducting regime	electron side superconductivity	graphene	Second twisted trilayer graphene device discussed for compar		—

Properties

Type	Label	Value	Material	Sample	Condition	Source
Twist Angle	twist angle	1.33deg	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Twist Angle	twist angle	1.61deg	graphene	MATTG sample at twist angle 1.61° used to study low-temperat	—	—
Heterostrain	heterostrain	0.2%	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	intervalley-coherent gap onset	4K	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	inner gap onset	1.5K	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	intervalley-coherent gap range	ν = 1.6–2.6	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Filling Range	two-gap coexistence range	ν = -2.25 to -2.7	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	single fully developed gap range	ν = -2 to -2.25	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	qualitative side of superconducting regime	electron side superconductivity	graphene	Second twisted trilayer graphene device discussed for compar		—

Properties

Type	Label	Value	Material	Sample	Condition	Source
Twist Angle	twist angle	1.33deg	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Twist Angle	twist angle	1.61deg	graphene	MATTG sample at twist angle 1.61° used to study low-temperat	—	—
Heterostrain	heterostrain	0.2%	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	intervalley-coherent gap onset	4K	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	inner gap onset	1.5K	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	intervalley-coherent gap range	ν = 1.6–2.6	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Filling Range	two-gap coexistence range	ν = -2.25 to -2.7	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	single fully developed gap range	ν = -2 to -2.25	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	qualitative side of superconducting regime	electron side superconductivity	graphene	Second twisted trilayer graphene device discussed for compar		—

Properties

Type	Label	Value	Material	Sample	Condition	Source
Twist Angle	twist angle	1.33deg	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Twist Angle	twist angle	1.61deg	graphene	MATTG sample at twist angle 1.61° used to study low-temperat	—	—
Heterostrain	heterostrain	0.2%	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	intervalley-coherent gap onset	4K	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Onset Temperature	inner gap onset	1.5K	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	intervalley-coherent gap range	ν = 1.6–2.6	graphene	MATTG sample measured by STM/STS in a moderate-heterostrain		—
Gap Filling Range	two-gap coexistence range	ν = -2.25 to -2.7	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	single fully developed gap range	ν = -2 to -2.25	graphene	MATTG sample at twist angle 1.61° used to study low-temperat		—
Gap Filling Range	qualitative side of superconducting regime	electron side superconductivity	graphene	Second twisted trilayer graphene device discussed for compar		—

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Resolving Intervalley Gaps and Many-Body Resonances in Moiré Superconductor

Samples

MATTG sample measured by STM/STS in a moderate-heterostrain region, showing cascaded renormalization, intervalley-coherent gap opening, and superconducting inner/outer gaps.

MATTG sample at twist angle 1.61° used to study low-temperature spectra and the emergence of two-gap behavior near ν = -2 to -3.

Second twisted trilayer graphene device discussed for comparison, showing superconductivity on the electron side.

Materials

Why these are connected

Characterization

Properties

Simulations

Characterization

Properties

Simulations

Characterization

Properties

Simulations

Characterization

Properties

Simulations