Phase-space modeling of solid-state plasmas: A journey from classical to quantum

G Manfredi, PA Hervieux, J Hurst - Reviews of Modern Plasma Physics, 2019 - Springer
Conduction electrons in metallic nano-objects (1\, nm= 10^-9\, m 1 nm= 10-9 m) behave as
mobile negative charges confined by a fixed positively charged background, the atomic ions …

Wigner model for quantum transport in graphene

O Morandi, F Schürrer - Journal of Physics A: Mathematical and …, 2011 - iopscience.iop.org
The single graphene layer is a novel material consisting of a flat monolayer of carbon atoms
packed in a two-dimensional honeycomb lattice, in which the electron dynamics is governed …

Semiclassical Vlasov and fluid models for an electron gas with spin effects

J Hurst, O Morandi, G Manfredi, PA Hervieux - The European Physical …, 2014 - Springer
We derive a four-component Vlasov equation for a system composed of spin-1/2 fermions
(typically electrons). The orbital part of the motion is classical, whereas the spin degrees of …

[HTML][HTML] On the connection between the Wigner and the Bohm quantum formalism

O Morandi - Physics Letters A, 2022 - Elsevier
In this paper, we discuss the connection between two alternative descriptions of the
quantum motion proposed by Wigner in 1932 and by Bohm in 1952. Such formalism …

Geometric phase of quantum wave function and singularities of Bohm dynamics in a one-dimensional system

O Morandi - Journal of Physics A: Mathematical and Theoretical, 2022 - iopscience.iop.org
The interpretation of the quantum mechanics proposed by de Broglie and Bohm postulates
that the time evolution of the position and the momentum of a quantum particle can be …

High-harmonic generation by nonlinear resonant excitation of surface plasmon modes in metallic nanoparticles

J Hurst, F Haas, G Manfredi, PA Hervieux - Physical Review B, 2014 - APS
The nonlinear electron dynamics in metallic nanoparticles is studied using a hydrodynamic
model that incorporates most quantum many-body features, including spill-out and nonlocal …

An Optimal Control Problem for the Wigner Equation

O Morandi, N Rotundo, A Borzì, L Barletti - SIAM Journal on Applied …, 2024 - SIAM
The Wigner quasi-density function allows a phase-space formulation of statistical quantum
mechanics that is of fundamental importance in theoretical investigation and in applications …

Kinetic and hydrodynamic models for multi-band quantum transport in crystals

L Barletti, G Frosali, O Morandi - Multi-band effective mass approximations …, 2014 - Springer
This chapter is devoted to the derivation of k⋅ p multi-band quantum transport models, in
both the pure-state and mixed-state cases. The first part of the chapter deals with pure …

A multiband semiclassical model for surface hop** quantum dynamics

L Chai, S **, Q Li, O Morandi - Multiscale Modeling & Simulation, 2015 - SIAM
In the paper we derive a semiclassical model for surface hop** allowing quantum
dynamical nonadiabatic transition between different potential energy surfaces in which …

Charge transport and hot-phonon activation in graphene

O Morandi - Journal of Computational and Theoretical Transport, 2014 - Taylor & Francis
We investigate the lattice heating and the hot phonon effects on the charge transport in
graphene. The evolution of the charge and of the relevant optical phonon modes is …