We study the dynamics of an electron weakly coupled to a phonon gas. The initial state of the electron is the superposition of two spatially localized distant bumps moving towards each other, and the phonons are in a thermal state. We investigate the dynamics of the system in the kinetic regime and show that the time evolution makes the non-diagonal terms of the density matrix of the electron decay, destroying the interference between the two bumps. We show that such a damping effect is exponential in time, and the related decay rate is proportional to the total scattering cross section of the electron-phonon interaction. © 2008 Springer Science+Business Media, LLC.
Adami, R., & Erdos, L. (2008). Rate of decoherence for an electron weakly coupled to a phonon gas. JOURNAL OF STATISTICAL PHYSICS, 132(2), 301-328.
Citazione: | Adami, R., & Erdos, L. (2008). Rate of decoherence for an electron weakly coupled to a phonon gas. JOURNAL OF STATISTICAL PHYSICS, 132(2), 301-328. |
Tipo: | Articolo in rivista - Articolo scientifico |
Carattere della pubblicazione: | Scientifica |
Titolo: | Rate of decoherence for an electron weakly coupled to a phonon gas |
Autori: | Adami, R; Erdos, L |
Autori: | |
Data di pubblicazione: | 2008 |
Lingua: | English |
Rivista: | JOURNAL OF STATISTICAL PHYSICS |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1007/s10955-008-9561-8 |
Appare nelle tipologie: | 01 - Articolo su rivista |