Strain-Tuned Incommensurate Kekulé Spiral Order in Twisted Bilayer Graphene: a Quantum Many-Body Study

Cheng Huang; Yves H. Kwan; Maksim Ulybyshev; Fakher F. Assaad; Laura Classen; Zi Yang Meng

doi:10.1080/00018732.2025.2600658

Paper details

Research paper

TheoreticalComputational Multiscale

Strain-Tuned Incommensurate Kekulé Spiral Order in Twisted Bilayer Graphene: a Quantum Many-Body Study

Cheng Huang, Yves H. Kwan, Maksim Ulybyshev, Fakher F. Assaad et al.

arXiv preprint·2026·10.1080/00018732.2025.2600658·arXiv:2605.20677

Samples

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

Twisted bilayer graphene model at θ = 1.15° with zero heterostrain, studied at filling ν = −2 on finite momentum-space grids.

No measurements recorded

SimulatedCStudied Material

Twisted bilayer graphene model at θ = 1.15° with uniaxial heterostrain εs = 0.6% (layer strains ±εs/2 and direction φs = 130°), studied at filling ν = −2 on finite momentum-space grids.

No measurements recorded

SimulatedCStudied Material

Materials

graphene

Studied Material

Also known as

twisted bilayer grapheneTBG

studied material

Simulations

Other Computational

Approximated quantum Monte Carlo (AQMC) for the interacting twisted-bilayer-graphene model in momentum space; sampling-weight absolute-value approximation; benchmarked against exact diagonalization and compared with Hartree-Fock.

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