2 papers
cond-mat.mes-hall2025
Optical selection rules of topological excitons in flat bands
Mara Lozano, Hong-Yi Xie, Bruno Uchoa
Topological excitons are superpositions of electron-hole pair states, characterized by an envelope function with finite vorticity in momentum space. This vorticity is determined by…
math.GT2024
On generic singularities of intersections of ellipsoids: the octahedron
Enrique Artal Bartolo, Santiago López de Medrano, MarÃa Teresa Lozano
The goal of this work is to study the smoothings of singular coaxial intersections of ellipsoids (where coaxial includes concentric) with generic singularities, with special attent…