Correlation-induced resonances in transport through coupled quantum dots

Meden, V; Marquardt, F

doi:10.1103/PhysRevLett.96.146801

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Correlation-induced resonances in transport through coupled quantum dots

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Meden, V., & Marquardt, F. (2006). Correlation-induced resonances in transport through coupled quantum dots. Physical Review Letters, 96(14): 146801. doi:10.1103/PhysRevLett.96.146801.

Cite as: https://hdl.handle.net/21.11116/0000-0001-DF58-2

Abstract

We investigate the effect of local electron correlations on transport through parallel quantum dots. The linear conductance as a function of gate voltage is strongly affected by the interplay of the interaction U and quantum interference. We find a pair of novel correlation-induced resonances separated by an energy scale that depends exponentially on U. The effect is robust against a small detuning of the dot energy levels and occurs for arbitrary generic tunnel couplings. It should be observable in experiments on the basis of presently existing double-dot setups.