Kondo-Dicke resonances in electronic transport through triple quantum dots

Abstract

Electronic transport through a triple quantum dot system, with only a single dot coupled directly to external leads, is considered theoretically. The model includes Coulomb correlations in the central dot, while such correlations in the two side-coupled dots are omitted. The infinite-U mean-field slave-boson approach is used to obtain basic transport characteristics in the Kondo regime. When tuning position of the side-coupled dots' levels, transition from subradiant to superradiant like mode (and vice versa) has been found in the spectral function, in analogy to the Dicke effect in atomic physics. Bias dependence of the differential conductance and zero frequency shot noise is also analysed.

8 pages, 10 figures

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Cited by in corpus (18)

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• Capacitively coupled double quantum dot system in the Kondo regime
• Fano effect and Andreev bound states in T-shape double quantum dots
• The role of the indirect tunneling processes and asymmetry in couplings in orbital Kondo transport through double quantum dots
• Spin-dependent thermoelectric properties of a Kondo-correlated quantum dot with Rashba spin-orbit coupling
• Spin-orbital and spin Kondo effects in parallel coupled quantum dots
• Interplay between electron pairing and Dicke effect in triple quantum dots structures
• Fano-Andreev effect in T-shape double-quantum-dot in the Kondo regime
• Transport in serial spinful multiple-dot systems: The role of electron-electron interactions and coherences
• Dike states in multiple quantum dots
• The tunnel magnetoresistance in chains of quantum dots weakly coupled to external leads
• Five and three quantum dot systems as apparatuses for measuring energy-levels
• Zero-field splitting of the Kondo resonance and quantum criticality in triple quantum dots
• Fano-Kondo and the Kondo-box regimes crossover in a quantum dot coupled to a quantum box
• Fano effect in a thermally induced transport through a triple quantum dot within the Coulomb blockade regime
• Electron pair current through the correlated quantum dot