Tunnelling density of states at Coulomb-blockade peaks

N. Sedlmayr, I.V. Yurkevich, I.V. Lerner

Research output: Contribution to journalArticle

Abstract

We calculate the tunnelling density of states (TDoS) for a quantum dot in the Coulomb-blockade regime, using a functional integral representation with allowing correctly for the charge quantisation. We show that in addition to the well-known gap in the TDoS in the Coulomb-blockade valleys, there is a suppression of the TDoS at the peaks. We show that such a suppression is necessary in order to get the correct result for the peak of the differential conductance through an almost close quantum dot.
Original languageEnglish
Pages (from-to)109-114
Number of pages6
JournalEPL
Volume76
Issue number1
DOIs
Publication statusPublished - Oct 2006

Bibliographical note

Tunnelling density of states at Coulomb-blockade
peaks. N. Sedlmayr et al 2006 EPL 76 109 © EDP Sciences

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