Solving twisted bilayer graphene with momentum-space quantum Monte Carlo method

Abstract

I will explain the modelling and more importantly, the quantum Monte Carlo solution of the twisted bilayer graphene systems. Based on examples that I will discuss, I argue that these projected Hamiltonians in the correlated flat-band systems, offer the new challenges and opportunities for the development of quantum many-body computation.

References:

Rep. Prog. Phys. 89 068001 (2026)
Nat Commun 16, 7176 (2025)
Phys. Rev. Lett. 130, 016401 (2023)

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