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arXiv · 0708.0460

Quasi-bound states in continuum

Hiroaki Nakamura·Naomichi Hatano·Sterling Garmon·Tomio Petrosky
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Abstract

We report the prediction of quasi-bound states (resonant states with very long lifetimes) that occur in the eigenvalue continuum of propagating states for a wide region of parameter space. These quasi-bound states are generated in a quantum wire with two channels and an adatom, when the energy bands of the two channels overlap. A would-be bound state that lays just below the upper energy band is slightly destabilized by the lower energy band and thereby becomes a resonant state with a very long lifetime (a second QBIC lays above the lower energy band).

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Hiroaki Nakamura, Naomichi Hatano, Sterling Garmon, Tomio Petrosky. 2007-08-07. Quasi-bound states in continuum. https://doi.org/10.1103/physrevlett.99.210404

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