Coulomb Blockade with Dispersive Interfaces

A. Kamenev, A. I. Larkin

Research output: Contribution to journalArticlepeer-review

Abstract

What quantity controls the Coulomb blockade oscillations if the dot-lead conductance is essentially frequency dependent? We argue that it is the conductance at the imaginary frequency given by the effective charging energy. The latter may be very different from the bare charging energy due to the interface-induced capacitance (or inductance). These observations are supported by a number of examples, considered from the weak and strong coupling (perturbation theory versus instanton calculus) perspectives.

Original languageEnglish (US)
JournalPhysical review letters
Volume89
Issue number23
DOIs
StatePublished - 2002

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