Work

Decomposing electronic structures in twisted multilayers: Bridging spectra and incommensurate wave functions

Year: 2025

Type: article

Abstract: The authors present here a unified theoretical framework for describing the electronic structure of twisted multilayer systems, including both commensurate and incommensurate cases. Their method decomposes physical observables into layer- and momentum-resolved contributions and introduces a low-rank Hamiltonian approximation for efficient computation. The framework is validated through calculations of spectral function and optical conductivity on moir\'e and quasicrystalline twisted bilayer graphene.

Source: Physical review. B./Physical review. B

DOI: 10.1103/physrevb.111.195161

Authors: Citian Wang, Huaqing Huang

Institutions: Peking University, Collaborative Innovation Center of Quantum Matter

Language: English

Topic: Graphene research and applications

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

Funders: National Natural Science Foundation of China, National Key Research and Development Program of China

Awards: G1047851082, 准晶及非晶体系拓扑态和新奇拓扑效应的理论研究, G7360323618