3 papers
quant-ph2026
Coexistence of Anderson Localization and Quantum Scarring in Two Dimensions
Fartash Chalangari, Anant Vijay Varma, Joonas Keski-Rahkonen +1
We investigate finite two-dimensional disordered systems with periodic confinement. At low energies, eigenstates exhibit strong Anderson localization, while at higher energies a su…
cond-mat.mes-hall2025
Variational Scarring in Open Two-Dimensional Quantum Dots
Fartash Chalangari, Joonas Keski-Rahkonen, Simo Selinummi +1
Quantum scars have recently been directly visualized in graphene quantum dots (Nature 635, 841 (2024)), revealing their resilience and influence on electron dynamics in mesoscopic…
cond-mat.mes-hall2025
Formation, prevalence, and stability of bouncing-ball quantum scars
Simo Selinummi, Joonas Keski-Rahkonen, Fartash Chalangari +1
Quantum scars correspond to enhanced probability densities along unstable classical periodic orbits. In recent years, research on quantum scars has extended to various systems incl…