Spin-orbital Kondo effect in a parallel double quantum dot
arXiv:1110.5130 · doi:10.1103/PhysRevB.84.161305
Abstract
Transport properties of the two-orbital Kondo effect involving both spin and orbital (pseudospin) degrees of freedom were examined in a parallel double quantum dot with a sufficient interdot Coulomb interaction and negligibly small interdot tunneling. The Kondo effect was observed at the interdot Coulomb blockade region with degeneracies of both spin and orbital degrees of freedom. When the orbital degeneracy is lifted by applying a finite detuning, the Kondo resonance exhibits a triple-peak structure, indicating that both spin and orbital contributions are involved.
5 pages, 4 figures
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- Numerical sub-gap spectroscopy of double quantum dots coupled to superconductors
- Full electrostatic control over polarized currents through spin-orbital Kondo effect
- Inducing spin-correlations and entanglement in a double quantum dot through non-equilibrium transport
- Interaction induced hybridization of Majorana zero-modes in a coupled quantum-dot hybrid-nanowire system
- Analysis of low energy response and possible emergent SU(4) Kondo state in a double quantum dot
- Quenched dynamics of entangled states in correlated quantum dots
- Spin-orbital and spin Kondo effects in parallel coupled quantum dots
- Polarized currents and spatial separation of Kondo state: NRG study of spin-orbital effect in a double QD
- Manipulability of the Kondo effect in a T-shaped triple-quantum-dot structure
- Nonequilibirum noise spectrum and Coulomb-blockade-assisted Rabi interference in a double-dot Aharonov-Bohm interferometer
- Orbital Kondo effect in a parallel double quantum dot
- Capacitive interactions and Kondo effect tuning in double quantum impurity systems
- Decoherence of an entangled state of a strongly-correlated double quantum dot structure through tunneling processes
- Observation of Kondo Effect in a Quadruple Quantum Dots
- Antisymmetric Spin-Orbit Coupling Effect on Kondo-Induced Electric Polarization in a Triangular Triple Quantum Dot
- Selective tuning of spin-orbital Kondo contributions in parallel-coupled quantum dots