Effects of external radiation on biased Aharonov-Bohm rings

Abstract

We consider the currents flowing in a solid-state interferometer under the effect of both an Aharonov-Bohm phase and a bias potential. Expressions are obtained for these currents, allowing for electronic or electron-boson interactions, which may take place solely on a quantum dot placed on one of the interferometer arms. The boson system can be out of equilibrium. The results are used to obtain the transport current through the interferometer, and the current circulating around it under the effect of the Aharonov-Bohm flux. The modifications of both currents, brought about by coupling the quantum dot to an incoherent sonic or electromagnetic source, are then analyzed. By choosing the appropriate range of the boson source intensity and its frequency, the magnitude of the interference-related terms of both currents can be controlled.

18 pages, one figure

References in corpus (20)

• Tuning of the Fano Effect through a Quantum Dot in an Aharonov-Bohm Interferometer
• Energy spectra of quantum rings
• Kondo Correlations and the Fano Effect in Closed AB-Interferometers
• Fano and Kondo resonance in electronic current through nanodevices
• Detecting the Kondo screening cloud around a quantum dot
• Transmission Phase of a Quantum Dot with Kondo Correlation Near the Unitary Limit
• Kondo effect in a few-electron quantum ring
• Aharonov-Bohm Interferometry with Interacting Quantum Dots: Spin Configurations, Asymmetric Interference Patterns, Bias-Voltage-Induced Aharonov-Bohm Oscillations, and Symmetries of Transport Coefficients
• Diamagnetic orbital response of mesoscopic silver rings
• Which phase is measured in the mesoscopic Aharonov-Bohm interferometer?
• Broken unitarity and phase measurements in Aharonov-Bohm interferometers
• Anomalous Hall Effect in Ferromagnetic Semiconductors in the Hopping Transport Regime
• Mesoscopic Kondo screening effect in a single-electron transistor embedded in a metallic ring
• Measuring the transmission phase of a quantum dot in a closed interferometer
• Probe-Configuration-Dependent Decoherence in an Aharonov-Bohm Ring
• Tuning a Resonance in the Fock Space: Optimization of Phonon Emission in a Resonant Tunneling Device
• Floquet states and persistent currents transitions in a mesoscopic ring
• Transmission Phase of an Isolated Coulomb-Blockade Resonance
• Persistent currents in interacting Aharonov-Bohm interferometers and their enhancement by acoustic radiation
• Aharonov-Bohm magnetization of mesoscopic rings caused by inelastic relaxation

Cited by in corpus (10)

• Circular Currents in Molecular Wires
• Magnetic Fields Effects on the Electronic Conduction Properties of Molecular Ring Structures
• Resonant tunneling and Fano resonance in quantum dots with electron-phonon interaction
• Kondo effect in complex mesoscopic structures
• Flux-dependent Kondo temperature in an Aharonov-Bohm interferometer with an in-line quantum dot
• Exact description of transport and non-reciprocity in monitored quantum devices
• Ground State Entanglement Energetics
• Controlling local currents in molecular junctions
• Electron transport through a quantum interferometer with side-coupled quantum dots: Green's function approach
• Electron transport through a quantum interferometer: A theoretical study