Numerical methods and analysis of computing quasiperiodic systems

K Jiang, S Li, P Zhang - SIAM Journal on Numerical Analysis, 2024 - SIAM
Quasiperiodic systems are important space-filling ordered structures, without decay and
translational invariance. How to solve quasiperiodic systems accurately and efficiently is a …

Reduced Projection Method for Photonic Moiré Lattices

Z Gao, Z Xu, Z Yang - Journal of Scientific Computing, 2025 - Springer
This paper presents a reduced projection method for the solution of quasiperiodic
Schrödinger eigenvalue problems for photonic moiré lattices. Using the properties of the …

Modeling of electronic dynamics in twisted bilayer graphene

T Kong, D Liu, M Luskin, AB Watson - SIAM Journal on Applied Mathematics, 2024 - SIAM
We consider the problem of numerically computing the quantum dynamics of an electron in
twisted bilayer graphene. The challenge is that atomic-scale models of the dynamics are …

Energy spectrum theory of incommensurate systems

Z He, XY Guo, Z Ma, JH Gao - National Science Review, 2024 - academic.oup.com
Because of the lack of translational symmetry, calculating the energy spectrum of an
incommensurate system has always been a theoretical challenge. Here, we propose a …

Irrational-window-filter projection method and application to quasiperiodic Schr\" odinger eigenproblems

K Jiang, X Li, Y Ma, J Zhang, P Zhang… - arxiv preprint arxiv …, 2024 - arxiv.org
In this paper, we propose a new algorithm, the irrational-window-filter projection method
(IWFPM), for solving arbitrary dimensional global quasiperiodic systems. Based on the …

MCMS-RBM: Multicomponent Multistate Reduced Basis Method Toward Rapid Generation of Phase Diagrams for the Lifshitz–Petrich Model

Y Ji, L Ji, Y Chen, Z Xu - SIAM Journal on Scientific Computing, 2024 - SIAM
Due to quasicrystals having long-range orientational order but without translational
symmetry, traditional numerical methods usually suffer when applied as is. In the past …

Learning the local density of states of a bilayer moir\'e material in one dimension

D Liu, AB Watson, M Hott, S Carr, M Luskin - arxiv preprint arxiv …, 2024 - arxiv.org
Recent work of three of the authors showed that the operator which maps the local density of
states of a one-dimensional untwisted bilayer material to the local density of states of the …

An extended plane wave framework for the electronic structure calculations of twisted bilayer material systems

X Dai, A Zhou, Y Zhou - Computational Materials Science, 2023 - Elsevier
In this study, we propose an extended plane wave framework to ensure that the electronic
structure calculations of twisted bilayer 2D material systems are practically feasible. Based …

Convergence of the planewave approximations for quantum incommensurate systems

T Wang, H Chen, A Zhou, Y Zhou, D Massatt - arxiv preprint arxiv …, 2022 - arxiv.org
Incommensurate structures arise from stacking single layers of low-dimensional materials on
top of one another with misalignment such as an in-plane twist in orientation. While these …

Reduced projection method for quasiperiodic Schr\"{o} dinger eigenvalue problems

Z Gao, Z Xu, Z Yang - arxiv preprint arxiv:2309.09238, 2023 - arxiv.org
This paper presents a reduced algorithm to the classical projection method for the solution of
$ d $-dimensional quasiperiodic problems, particularly Schr\"{o} dinger eigenvalue …