Application of topological resonances in experimental investigation of a Fermi golden rule in microwave networks

We investigate experimentally a Fermi golden rule in two-edge and five-edge microwave networks with preserved time reversal invariance. A Fermi golden rule gives rates of decay of states obtained by perturbing embedded eigenvalues of graphs and networks. We show that the embedded eigenvalues are con...

Full description

Saved in:
Bibliographic Details
Published in:Physical review. E 2021-03, Vol.103 (3-1), p.032208-032208, Article 032208
Main Authors: Ławniczak, Michał, Lipovský, Jiří, Białous, Małgorzata, Sirko, Leszek
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We investigate experimentally a Fermi golden rule in two-edge and five-edge microwave networks with preserved time reversal invariance. A Fermi golden rule gives rates of decay of states obtained by perturbing embedded eigenvalues of graphs and networks. We show that the embedded eigenvalues are connected with the topological resonances of the analyzed systems and we find the trajectories of the topological resonances on the complex plane.
ISSN:2470-0045
2470-0053
DOI:10.1103/PhysRevE.103.032208