Transmittance anomalies of a ring with lead-positional asymmetry

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.1729

Yi, Juyeon ; Cuniberti, Gianaurelio ; Porto, Markus

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Veröffentlichungsdatum dieses Volltextes: 05 Aug 2009 13:31

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Zusammenfassung

We examine the anomalous behavior of the transmittance through a one-dimensional ring having two branches of different lengths, as determined by the lead positions. Jumps in the transmittance phase are occurring in correspondence to both (a) zeros in the transmission at the eigenstates of the isolated ring and (b) destructive interference events. It is also found that when the ratio of the branch ...