11 Result(s)
within
Andrea Bertoni
Mathematical and Computational Engineering
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Article
Effects of scattering resonances on carrier-carrier entanglement in charged quantum dots
We address the problem of the entanglement generation in an electron-scattering by a 1D double-barrier resonant tunnelling device. In particular we analyze the role played by transport resonances in the appea...
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Article
Perspectives on solid-state flying qubits
We review recent efforts toward the numerical modeling of prototypes of one- and two-qubit gates based on coherent electron transport in semiconductor quantum wires. The basics of the proposed devices are pres...
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Article
Conductance of meandering wires
In the past years a strong attention has been focused on the optical and transport properties of semiconductor hetero-structures owing to the possibility of tailoring material parameters such as the electron e...
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Article
Simulation of the entanglement creation for identical particles scattering in a 2D system
In recent years the dynamics of entanglement formation between two distinguishable charged particles has been investigated for scattering events in bulk semiconductors. The aim of this work is to overcome the ...
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Article
Numerical simulation of ballistic surface transport in cylindrical nanosystems
We study, by numerical simulations, the effect of topology on coherent electron transport through cylindrical junctions and bent cylindrical surfaces. The dynamics of a particle bound to a curved surface is de...
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Article
Scattering resonances in 1D coherent transport through a correlated quantum dot: An application of the few-particle quantum transmitting boundary method
We present a method for the calculation of the scattering states of a N+1th-particle coherently interacting with N correlated particles confined in a nanostructure and placed within an open domain. The method is ...
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Article
Simulation of Entanglement Dynamics for Scattering Between a Free and a Bound Carrier in a Quantum Wire
The decoherence of a quantum system is ascribed to its enetanglement with another system considered as the environment, thus the quantitative evaluation of entanglement formation dynamics can shed light on the...
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Article
Single Electron Transport and Entanglement Induced by Surface Acoustic Waves versus Free Ballistic Propagation in Coupled Quantum Wires
In this work we study the coherent propagation of electrons in quantum wires driven by surface acoustic waves, as a part of a feasibility study on a coupled quantum wires device, able to realize the basic oper...
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Article
Proximity Effect of the Contacts on Electron Transport in Mesoscopic Devices
The Wigner function formalism is used for studying electron quantum transport in mesoscopic systems. In this work we show that, if the correlation of the electron wave function vanishes outside the region of i...
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Article
Simulation of Electron Decoherence Induced by Carrier-Carrier Scattering
We study, by means of numerical simulations, the decoherence induced by a low-energy carrier-carrier scattering event on the spatial degrees of freedom of one of the two distinguishable carriers. The two-parti...
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Article
Two-Particle Eigenfunctions of Electrons Propagating in Two Parallel Quantum Wires
Aim of this work is the analytical solution of the time-independent Schrödinger equation for the system of two electrons running along two parallel quantum wires. The solution has been obtained by means of a s...
