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

K. Y. Bliokh; Y. P. Bliokh; V. Freilikher; A. Z. Genack; P. Sebbah

doi:10.1103/PhysRevLett.101.133901

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

K. Y. Bliokh, Y. P. Bliokh, V. Freilikher, A. Z. Genack, P. Sebbah

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Abstract

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.

Original language	English
Article number	133901
Journal	Physical Review Letters
Volume	101
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.101.133901
Publication status	Published - 24 Sept 2008

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abstract = "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.",

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AU - Sebbah, P.

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AB - 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.

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

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