Journal
PHYSICA SCRIPTA
Volume 74, Issue 2, Pages 259-266Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0031-8949/74/2/020
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We present an analogy of Fano resonances in quantum interference to classical resonances in the harmonic oscillator system. It has a manifestation as a coupled behaviour of two effective oscillators associated with propagating and evanescent waves. We illustrate this point by considering a classical system of two coupled oscillators and interfering electron waves in a quasi-one-dimensional narrow constriction with a quantum dot. Our approach provides a novel insight into Fano resonance physics and provides a helpful view in teaching Fano resonances.
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