On a Quantum Waveguide with a Small PT-symmetric Perturbation

D. Borisov

Abstract


We consider a quantum waveguide with a small PT-symmetric perturbation described by a potential. We study the spectrum of such a system and show that the perturbation can produce eigenvalues near the threshold of the continuous spectrum. 

Keywords


waveguide; PT-symmetric potential; spectrum

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ISSN 1210-2709 (Print)
ISSN 1805-2363 (Online)
Published by the Czech Technical University in Prague