Correlation effects on resonant tunneling in one-dimensional quantum wires

We study resonant tunneling in a Luttinger liquid with a double barrier enclosing a dot region. Within a microscopic model calculation the conductance G as a function of temperature T is determined over several decades. We identify parameter regimes in which the peak value G_p(T) shows distinctive p...

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Hauptverfasser: Meden, Volker (VerfasserIn) , Enss, Tilman (VerfasserIn)
Dokumenttyp: Article (Journal) Kapitel/Artikel
Sprache:Englisch
Veröffentlicht: 2005
In: Arxiv

Online-Zugang:Verlag, kostenfrei, Volltext: http://arxiv.org/abs/cond-mat/0403655
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Verfasserangaben:V. Meden, T. Enss, S. Andergassen, W. Metzner, and K. Schönhammer
Beschreibung
Zusammenfassung:We study resonant tunneling in a Luttinger liquid with a double barrier enclosing a dot region. Within a microscopic model calculation the conductance G as a function of temperature T is determined over several decades. We identify parameter regimes in which the peak value G_p(T) shows distinctive power-law behavior. For intermediate dot parameters G_p behaves in a non-universal way.
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