5 papers
Quantum Non-Locality in Systems with Open Boundaries: Failure of the Wigner-Function Formalism
Luigi Genovese, David Taj, Fausto Rossi
We shall revisit the conventional treatment of open quantum devices based on the Wigner-Function formalism. Our analysis will show that the artificial spatial separation between de…
Generalized Wigner Function Formulation for Quantum Systems with Open Boundaries
Remo Proietti Zaccaria, Fausto Rossi
A rigorous microscopic theory for the description of quantum-transport phenomena in systems with open boundaries is proposed. We shall show that the application of the conventional…
Gauge-Invariant Formulation of Fermi's Golden Rule: Application to High-Field Transport in Semiconductors
Emanuele Ciancio, Fausto Rossi
A gauge-invariant formulation of Fermi's Golden rule is proposed. We shall rivisit the conventional description of carrier-phonon scattering in the presence of high electric fields…
Are Quantum-Cascade Lasers really quantum?
Rita Claudia Iotti, Fausto Rossi
The first global simulation of semiconductor-based quantum-cascade lasers is presented; Our fully three-dimensional approach allows to study in a purely microscopic way -without re…
Bloch oscillations and Wannier-Stark localization in semiconductor superlattices
Fausto Rossi
The theoretical analysis of the ultrafast energy relaxation and transport phenomena in semiconductor superlattices is reviewed. In particular, we discuss the two equivalent quantum…