Interference effects in resonant magneto-transport

Abstract

We study non-equilibrium magneto-transport through a single electron transistor or an impurity. We find that due to spin-flip transitions, generated by the spin-orbit interaction, the spectral density of the tunneling current fluctuations develops a distinct peak at the frequency of Zeeman splitting. This mechanism explains modulation in the tunneling current at the Larmor frequency observed in scanning tunneling microscope (STM) experiments and can be utilized as a detector for single spin measurement.

in RevTex, 4 pages, 2 figures

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• Rate equations for quantum transport in multi-dot systems
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• Shot noise in coupled dots and the "fractional charges"
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• A nonequilibrium theory for transient transport dynamics in nanostructures via the Feynman-Vernon influence functional approach
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• Rate equations for Coulomb blockade with ferromagnetic leads
• Dynamics of quantum dissipation systems interacting with Fermion and Boson grand canonical bath ensembles: Hierarchical equations of motion approach
• Frequency-Dependent Current Noise through Quantum-Dot Spin Valves
• Calculation of the current noise spectrum in mesoscopic transport: an efficient quantum master equation approach
• Quantum rate equations for electron transport through an interacting system in the sequential tunneling regime
• Spin Noise Fluctuations from Paramagnetic Molecular Adsorbates on Surfaces
• Current noise of a single-electron transistor coupled to a nano-mechanical resonator
• Coherent effects in magneto-transport through Zeeman split levels
• Single qubit measurements with an asymmetric single-electron transistor
• Qubit measurements with a double-dot detector
• Josephson Current in the Presence of a Precessing Spin
• Spectrum of qubit oscillations from Bloch equations
• Noise spectroscopy of a single spin with spin polarized STM
• Spin Dynamics in a Tunnel Junction between Ferromagnets
• A theoretical review on the single-impurity electron spin resonance on surfaces
• Noise spectrum of a quantum dot-resonator lasing circuit
• Nonideal quantum detectors in Bayesian formalism
• Nuclear-spin qubits interaction in mesoscopic wires and rings
• Electron Paramagnetic Resonance of Single Magnetic Moment on a Surface
• Quantum interference in resonant tunneling and single spin measurements
• Shot noise in resonant tunneling through an interacting quantum dot with intradot spin-flip scattering
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• Spin Current and Shot Noise in Single-Molecule Quantum Dots with a Phonon Mode
• Finite-frequency current (shot) noise in coherent resonant tunneling through a coupled-quantum-dot interferometer
• Inelastic cotunneling induced decoherence and relaxation, charge and spin currents in an interacting quantum dot under a magnetic field
• A model of deterministic detector with dynamical decoherence
• A model for the ESR-STM phenomenon
• Theory of a double-dot charge detector
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• Spin-dependent current noises in transport through coupled quantum dots
• Spectral properties of a resonator driven by a superconducting single-electron transistor
• Nanoscopic interferometer model for spin resonance in current noise
• Spin-Orbit Scattering and Time-Reversal Symmetry: Detection of a Spin by Tunneling
• Shot noise of charge and spin transport in a junction with a precessing molecular spin