Adiabatic charge pumping through a dot at the junction of N quantum wires

Abstract

We study adiabatic charge pumping through a quantum dot placed at the junction of $N$ quantum wires. We explicitly map out the pattern of pumped charge as a function of the time-varying tunneling parameters coupling the wires to the dot and the phase between any two time varying parameters controlling the shape of the dot. We find that with $N-2$ time-independent well-coupled leads, the maximum pumped charge in the remaining two leads is strongly suppressed with increasing $N$, leading to the possibility of tuning of the pumped charge, by modulating the coupling of the $N-2$ leads.

arXiv comment5 pages, 6 figures, version to be published in PRB

References in corpus (35)

• Scattering approach to parametric pumping
• An Adiabatic Quantum Electron Pump
• Floquet scattering theory of quantum pumps
• Mesoscopic mechanism of adiabatic charge transport
• Dissipation and noise in adiabatic quantum pumps
• Adiabatic charge pumping in almost open dots
• Adiabatic transport in nanostructures
• Geometry, Statistics and Asymptotics of Quantum Pumps
• Optimal Quantum Pumps
• Quantum pump for spin and charge transport in a Luttinger liquid
• Adiabatic quantum pump in the presence of external ac voltages
• Effect of inelastic scattering on parametric pumping
• Mesoscopic effects in adiabatic spin pumping
• Pumping at resonant transmission and transferred charge quantization
• Floquet scattering theory for current and heat noise in large amplitude adiabatic pumps
• Pumping in an interacting quantum wire
• Resonance approximation and charge loading/unloading in adiabatic quantum pumping
• Charge Pumping in Mesoscopic Systems coupled to a Superconducting Lead
• Charge transport through quantum dots via time-varying tunnel couplings
• Pumped current and voltage for an adiabatic quantum pump
• Adiabatic spin pumping through a quantum dot with a single orbital level
• Quantized adiabatic charge pumping and resonant transmission
• Dephasing in a quantum pump
• Noise through Quantum Pumps
• Adiabatic charge and spin transport in interacting quantum wires
• Charge pumping in a quantum wire driven by a series of local time-periodic potentials
• Hidden quantum pump effects in quantum coherent rings
• Quantized pumped charge due to surface acoustic waves in a 1D channel
• Quantum pumping: Coherent Rings versus Open Conductors
• Equation of motion approach to non-adiabatic quantum charge pumping
• Time-Energy coherent states and adiabatic scattering
• Effects of interaction on an adiabatic quantum electron pump
• Noise-assisted classical adiabatic pumping in a symmetric periodic potential
• Statistical Distribution of Coulomb Blockade Peak Heights in Adiabatically Pumped Quantum Dots
• Theory of Non-Coherent Spin Pumps

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• Charge transport in a Tomonaga-Luttinger liquid: effects of pumping and bias
• Quantum charge pumping through resonant crossed Andreev reflection in superconducting hybrid junction of Silicene
• Quantum charge pumping through fractional Fermions in charge density modulated quantum wires and Rashba nanowires
• Quantum charge pumping through a superconducting double barrier structure in graphene
• Quantized charge pumping in superconducting double barrier structure : Non-trivial correlations due to proximity effect
• Quantum charge pumping through Majorana bound states