Quantum Noise in the Electromechanical Shuttle

Abstract

We consider a type of Quantum Electro-Mechanical System, known as the shuttle system, first proposed by Gorelik et al., [Phys. Rev. Lett., 80, 4526, (1998)]. We use a quantum master equation treatment and compare the semi-classical solution to a full quantum simulation to reveal the dynamics, followed by a discussion of the current noise of the system. The transition between tunnelling and shuttling regime can be measured directly in the spectrum of the noise.

single column, 28 pages, 20 figures

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• Current noise in a vibrating quantum dot array
• Current noise spectrum of a quantum shuttle
• Statistics of charge transfer in a tunnel junction coupled to an oscillator
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Cited by in corpus (16)

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• Stochastic thermodynamics of self-oscillations: the electron shuttle
• Autonomous implementation of thermodynamic cycles at the nanoscale
• Dynamical instabilities of a resonator driven by a superconducting single-electron transistor
• Spin-detection in a quantum electromechanical shuttle system
• Non-Markovian dynamics of a nanomechanical resonator measured by a quantum point contact
• Dissipative nonequilibrium synchronization of topological edge states via self-oscillation
• Proposal of a realistic stochastic rotor engine based on electron shuttling
• Current-oscillator correlation and Fano factor spectrum of quantum shuttle with finite bias voltage and temperature
• Optomechanical preparation of photon number-squeezed states with a pair of thermal reservoirs of opposite temperatures
• Electron shuttle as an autonomous single-electron source
• The Physics of Learning
• Autonomous quantum heat engine using an electron shuttle