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Coupling and level repulsion in the localized regime: from isolated to quasiextended modes

Bliokh, Konstantin; Bliokh, YP; Freilikher, Valentin D; Genack, AZ; Sebbah, P

Description

We study the interaction of Anderson localized states in an open 1D random system by varying the internal structure of the sample. As the frequencies of two states come close, they are transformed into multiply peaked quasiextended modes. Level repulsion is observed experimentally and explained within a model of coupled resonators. The spectral and spatial evolution of the coupled modes is described in terms of the coupling coefficient and Q factors of resonators.

CollectionsANU Research Publications
Date published: 2008-09-24
Type: Journal article
URI: http://hdl.handle.net/10440/808
http://digitalcollections.anu.edu.au/handle/10440/808
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.101.133901

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