Showing 2026Show all
3 papers · 1 filter
physics.comp-ph2026
Relaxation of Incommensurate Structures via Quantum Models
Mengfan Tu, Huajie Chen, Daniel Massatt
Accurately modeling structural relaxation in incommensurate systems is intrinsically challenging due to the absence of global translational symmetry. In this work, we develop a var…
math.NA2026
Momentum Space Algorithm for Electronic Structure of Double-Incommensurate Trilayer Graphene
Ken Beard, Daniel Massatt
Numerical algorithms for computing electronic structure of incommensurate 2D materials using ab initio models is critical for predicting material properties and guiding experiment.…
math-ph2026
Macroscopic approximation of tight-binding models near spectral degeneracies and validity for wave packet propagation
Guillaume Bal, Paul Cazeaux, Daniel Massatt +1
This paper concerns the derivation and validity of macroscopic descriptions of wave packets supported in the vicinity of degenerate points in the dispersion relation of tig…