Quantum graph resonances by cut-off technique
Quantum Physics
2026-01-26 v1 Mathematical Physics
math.MP
Spectral Theory
Abstract
We demonstrate how resonances in a quantum graph consisting of a compact core and semi-infinite leads can be identified from the eigenvalue behavior of the cut-off system.
Keywords
Cite
@article{arxiv.2601.16545,
title = {Quantum graph resonances by cut-off technique},
author = {Pavel Exner and Jiří Lipovský and Jan Pekař},
journal= {arXiv preprint arXiv:2601.16545},
year = {2026}
}
Comments
eleven pages, six figures