Charge and spin configurations in the coupled quantum dots with Coulomb correlations induced by tunneling current

Abstract

We investigated the peculiarities of non-equilibrium charge states and spin configurations in the system of two strongly coupled quantum dots (QDs) weakly connected to the electrodes in the presence of Coulomb correlations. We analyzed the modification of non-equilibrium charge states and different spin configurations of the system in a wide range of applied bias voltage and revealed well pronounced ranges of system parameters where negative tunneling conductivity appears due to the Coulomb correlations.

10 pages, 6 figures

References in corpus (23)

• Out-of-equilibrium Kondo effect in Double Quantum Dots
• Universality of the Kondo Effect in a Quantum Dot out of Equilibrium
• AC-driven double quantum dots as spin pumps and spin filters
• Transport through a double quantum dot in the sequential- and co- tunneling regimes
• Coherent and incoherent pumping of electrons in double quantum dots
• Transport in Coupled Quantum Dots: Kondo Effect Versus Anti-Ferromagnetic Correlation
• Nonequilibrium Transport through a Kondo Dot in a Magnetic Field: Perturbation Theory
• Nonequilibrium Transport through a Kondo Dot: Decoherence Effects
• Probing level renormalization by sequential transport through double quantum dots
• Kondo tunneling through real and artificial molecules
• Resonant Tunneling through Multi-Level and Double Quantum Dots
• Non-linear response of a Kondo system: Perturbation approach to the time dependent Anderson impurity model
• Double quantum dot as a spin rotator
• Transport through a double quantum dot system with non-collinearly polarized leads
• Pauli spin blockade in cotunneling transport through a double quantum dot
• Kondo effect and bistability in a double-quantum-dot
• Spin-Polarized Transprot through Double Quantum Dots
• Charge control in laterally coupled double quantum dots
• Correlation induced switching of local spatial charge distribution in two-level system
• Charged excitons and biexcitons in laterally coupled InGaAs quantum dots
• Non-adiabatic electron charge pumping in coupled semiconductor quantum dots
• Spin-polarized transport through weakly coupled double quantum dots in the Coulomb-blockade regime
• Formation of pure two-electron triplet states in weakly coupled quantum dots attached to ferromagnetic leads

Cited by in corpus (5)

• Tunneling transport through multi-electrons states in coupled quantum dots with Coulomb correlations
• Kinetics of local $"$magnetic$"$ moment and non-stationary spin-polarized current in the single impurity Anderson-model
• External field induced switching of tunneling current in the coupled quantum dots
• Time evolution of an entangled initial state in coupled quantum dots with Coulomb correlations
• Diagnostics of many-particle electronic states from non-stationary currents and residual charge