Geometrical optimization of pumping power under adiabatic parameter driving
arXiv:1901.01669 · doi:10.7566/JPSJ.89.064706
Abstract
Adiabatic pumping is a fundamental concept in the time-dependent transport of mesoscopic devices. To maximize pumping performance, i.e., the amount of pumping per unit time, it is necessary to carefully manage the driving speed, which should be sufficiently less than the {\it limited speed}, an upper bound of the driving speed below which non-adiabatic effects are negligible. In general, the amount of pumping increases as the contour of the driving parameter lengthens, however a long contour diminishes the pumping power because it requires more time per cycle under the limited speed constraint. We consider this trade-off carefully and show that there should exist an optimized period and contour to maximize the power of adiabatic pumping. We confirm this conclusion based on the results of charge pumping using a single-level quantum dot.
arXiv comment9 pages, 8 figures
References in corpus (23)
- Scattering approach to parametric pumping
- Fundamental aspects of steady-state conversion of heat to work at the nanoscale
- Floquet scattering theory of quantum pumps
- Single-electron current sources: towards a refined definition of ampere
- Most efficient quantum thermoelectric at finite power output
- Universal trade-off relation between power and efficiency for heat engines
- Berry-Phase induced Heat Pumping and its Impact on the Fluctuation Theorem
- Quantum Thermodynamics: A Nonequilibrium Green's Functions Approach
- Adiabatic charge pumping in almost open dots
- Adiabatic transport in nanostructures
- Otto refrigerator based on a superconducting qubit: classical and quantum performance
- Adiabatic pumping through interacting quantum dots
- Charge transport through single molecules, quantum dots, and quantum wires
- Adiabatic pumping through a quantum dot with coulomb interactions: A perturbation expansion in the tunnel coupling
- Thermoelectric performance of a driven double quantum dot
- Electron counting with a two-particle emitter
- Heat, molecular vibrations, and adiabatic driving in non-equilibrium transport through interacting quantum dots
- Geometrical Excess Entropy Production in Nonequilibrium Quantum Systems
- Quantum Thermodynamics for Driven Dissipative Bosonic Systems
- Heat pumping in nanomechanical systems
- Excess entropy production in quantum system: Quantum master equation approach
- Interaction effect on reservoir-parameter-driven adiabatic charge pumping via a single-level quantum dot system
- Temperature-driven and electrochemical-potential-driven adiabatic pumping via a quantum dot