Correlated Coulomb drag in capacitively coupled quantum-dot structures
arXiv:1601.00673 · doi:10.1103/PhysRevLett.116.196801
Abstract
We study theoretically Coulomb drag in capacitively coupled quantum dots (CQDs) -- a biasdriven dot coupled to an unbiased dot where transport is due to Coulomb mediated energy transfer drag. To this end, we introduce a master-equation approach which accounts for higher-order tunneling (cotunneling) processes as well as energy-dependent lead couplings, and identify a mesoscopic Coulomb drag mechanism driven by nonlocal multi-electron cotunneling processes. Our theory establishes the conditions for a nonzero drag as well as the direction of the drag current in terms of microscopic system parameters. Interestingly, the direction of the drag current is not determined by the drive current, but by an interplay between the energy-dependent lead couplings. Studying the drag mechanism in a graphene-based CQD heterostructure, we show that the predictions of our theory are consistent with recent experiments on Coulomb drag in CQD systems.
6 pages, 4 figures + supplementary. Published version
References in corpus (22)
- Chaotic Dirac billiard in graphene quantum dots
- Transport measurements across a tunable potential barrier in graphene
- Electronic transport and quantum Hall effect in bipolar graphene p-n-p junction
- Strong Coulomb drag and broken symmetry in double-layer graphene
- On-chip Maxwell's demon as an information-powered refrigerator
- Thermoelectric energy harvesting with quantum dots
- Optimal energy quanta to current conversion
- Tunable Coulomb blockade in nanostructured graphene
- Three-Terminal Energy Harvester with Coupled Quantum Dots
- Frequency-selective single photon detection using a double quantum dot
- Co-tunneling current and shot noise in quantum dots
- Using a quantum dot as a high-frequency shot noise detector
- A double-dot quantum ratchet driven by an independently biased quantum point contact
- Tunable Noise Cross-Correlations in a Double Quantum Dot
- Coulomb Drag in Graphene
- Coulomb drag in graphene single layers separated by a thin spacer
- Measurement back-action in stacked graphene quantum dots
- Cotunneling drag effect in Coulomb-coupled quantum dots
- Coulomb drag in quantum circuits
- Full counting statistics and shot noise of cotunneling in quantum dots and single-molecule transistors
- Back action of graphene charge detectors on graphene and carbon nanotube quantum dots
- Plasmon-mediated Coulomb drag between graphene waveguides
Cited by in corpus (30)
- Absorption refrigerators based on Coulomb-coupled single-electron systems
- Cotunneling drag effect in Coulomb-coupled quantum dots
- Autonomous conversion of information to work in quantum dots
- Single-electron thermal devices coupled to a mesoscopic gate
- All-thermal transistor based on stochastic switching
- Thermal rectification through a nonlinear quantum resonator
- Thermoelectrics with Coulomb coupled quantum dots
- Thermoelectrics in Coulomb-coupled quantum dots: Cotunneling and energy-dependent lead couplings
- Powerful Coulomb-drag thermoelectric engine
- Thermal drag in electronic conductors
- Nonlocal quantum heat engines made of hybrid superconducting devices
- Nonrenewal statistics in transport through quantum dots
- Dynamical Coulomb blockade of thermal transport
- Non-Linear Thermovoltage in a Single-Electron Transistor
- Duality for open fermion systems: energy-dependent weak coupling and quantum master equations
- Andreev-Coulomb Drag in Coupled Quantum Dots
- Statistics of heat transport across capacitively coupled double quantum dot circuit
- Fluctuation-driven Coulomb drag in interacting quantum dot systems
- Anomalous Hall Coulomb drag of massive Dirac fermions
- Engineering drag currents in Coulomb coupled quantum dots
- Nonreciprocal Coulomb Drag between Quantum Wires in the quasi-1D regime
- Generalized Master Equation Approach to Time-Dependent Many-Body Transport
- Coulomb drag in topological materials
- Quantum thermocouples: nonlocal conversion and control of heat in nanostructures
- Performance of the T-matrix based master equation for Coulomb drag in double quantum dots
- Quasi-1D Coulomb drag between spin-polarized quantum wires
- Charge and energy transfer in ac-driven Coulomb-coupled double quantum dots
- Parametric Study for Optimal Performance of Coulomb-Coupled Quantum Dots
- On the competition between the Kondo effect and the exchange interaction in a parallel double quantum dot system
- Back-action effects in cavity-coupled quantum conductors