Charge dynamics in junction arrays

A. Otterlo, van, P.A. Bobbert, G. Schön

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

2D Junction arrays with nearest neighbour capacitance larger than the self capacitance are a physical realization of the 2D Coulomb gas. One therefore expects a Kosterlitz-Thouless-Berezinskii (KTB) transition, where charge dipoles dissociate. We performed simulations of the charge dynamics in such arrays, based on tunnel rates for single electrons and Cooper pairs. The resulting I-V curves clearly show the Coulomb gap at low temperatures, while at higher temperatures one finds effects of the KTB transition.
Original languageEnglish
Pages (from-to)379-380
Number of pages2
JournalHelvetica Physica Acta
Volume65
Issue number2-3
Publication statusPublished - 1992

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