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Current noise spectrum of a quantum shuttle
Christian Flindt, Tomas Novotny, Antti-Pekka Jauho
We present a method for calculating the full current noise spectrum for the class of nano-electromechanical systems (NEMS) that can be described by a Markovian generalized master e…
Current and current fluctuations in quantum shuttles
A. P. Jauho, C. Flindt, Tomas Novotny +1
We review the properties of electron shuttles, i.e. nanoelectromechanical devices that transport electrons one-by-one by utilizing a combination of electronic and mechanical degree…
Modeling of inelastic transport in one-dimensional metallic atomic wires
Thomas Frederiksen, Mads Brandbyge, Nicolas Lorente +1
Inelastic effects in electron transport through nano-sized devices are addressed with a method based on nonequilibrium Green's functions (NEGF) and perturbation theory to infinite…
Modeling of quantum electromechanical systems
Antti-Pekka Jauho, Tomas Novotny, Andrea Donarini +1
We discuss methods for numerically solving the generalized Master equation GME which governs the time-evolution of the reduced density matrix of a mechanically movable mesoscopic d…
Inelastic scattering and local heating in atomic gold wires
Thomas Frederiksen, Mads Brandbyge, Nicolas Lorente +1
We present a method for including inelastic scattering in a first-principles density-functional computational scheme for molecular electronics. As an application, we study two geom…
Full counting statistics of nano-electromechanical systems
Christian Flindt, Tomas Novotny, Antti-Pekka Jauho
We develop a theory for the full counting statistics (FCS) for a class of nanoelectromechanical systems (NEMS), describable by a Markovian generalized master equation. The theory i…
Current noise in a vibrating quantum dot array
Christian Flindt, Tomas Novotny, Antti-Pekka Jauho
We develop methods for calculating the zero-frequency noise for quantum shuttles, i.e. nanoelectromechanical devices where the mechanical motion is quantized. As a model system we…
Shot Noise of a Quantum Shuttle
Tomas Novotny, Andrea Donarini, Christian Flindt +1
We formulate a theory for shot noise in quantum nanoelectromechanical systems. As a specific example, the theory is applied to a quantum shuttle, and the zero-frequency noise, meas…
Quantum theory of shuttling instability in a movable quantum dot array
Andrea Donarini, Tomas Novotny, Antti-Pekka Jauho
We study the shuttling instability in an array of three quantum dots the central one of which is movable. We extend the results by Armour and MacKinnon on this problem to a broader…
Shuttle instabilities: semiclassical phase analysis
Andrea Donarini, Antti-Pekka Jauho
We present a semiclassical analysis of the instability of an electron shuttle composed of three quantum dots: two are fixed and coupled via leads to electron resevoirs at different…