Resonant Pair Tunneling in Double Quantum Dots
arXiv:0903.5545 · doi:10.1103/PhysRevLett.103.087204
Abstract
We present exact results on the non-equilibrium current fluctuations for 2 quantum dots in series throughout a crossover from non-Fermi liquid to Fermi liquid behavior described by the 2 impurity Kondo model. The result corresponds to resonant tunneling of carriers of charge for a critical inter-impurity coupling. At low energy scales, the result can be understood from a Fermi liquid approach that we develop and use to also study non-equilibrium transport in an alternative double dot realization of the 2 impurity Kondo model under current experimental study.
4 pages, 1 figure
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- Two-channel Kondo physics in tunnel-coupled double quantum dots
- Out-of-equilibrium properties and non-linear effects for interacting quantum impurity systems in their strong coupling regime
- Crossover in the two-impurity Kondo model induced by direct charge tunneling
- Nonlocal Andreev Reflections as a Source of Spin Exchange and Kondo Screening
- Rescuing a Quantum Phase Transition with Quantum Noise
- Local Magnetization in the Boundary Ising Chain at Finite Temperature
- The RKKY Interaction and the Nature of the Ground State of Double Dots in Parallel
- Asymmetry effects on the phases of RKKY-coupled two-impurity Kondo systems
- Tunneling current and current correlations for anyonic quasiparticles of ν = 1/2 chiral Luttinger liquid in multi-edge geometries
- Long-range Entanglement of Kondo Clouds in Open Triple Quantum Dots