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19 April 2024

» arxiv » cond-mat/0003021

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Coulomb Charging Effects in an Open Quantum Dot
O. A. Tkachenko ; V. A. Tkachenko ; D. G. Baksheyev ; C.-T. Liang ; M. Y. Simmons ; C. G. Smith ; D. A. Ritchie ; Gil-Ho Kim ; M. Pepper ;
Date:	2 Mar 2000
Subject:	Mesoscopic Systems and Quantum Hall Effect \| cond-mat.mes-hall
Abstract:	Low-temperature transport properties of a lateral quantum dot formed by overlaying finger gates in a clean one-dimensional channel are investigated. Continuous and periodic oscillations superimposed upon ballistic conductance steps are observed, when the conductance G of the dot changes within a wide range 02e^2/h may be due to suppression of inter-1D-subband scattering. Fully transmitted subbands contribute to coherent background of conductance, while sequential tunneling via weakly transmitted subbands leads to Coulomb charging of the dot.
Source:	arXiv, cond-mat/0003021
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