@article{articleea0ed6f1,
title   = {Coherence of elementary excitations in a disordered electron system},
author = {Pusep, Yuri A. and Ribeiro, M. B. and Carrasco, Veronica Espinoza and Zanelatto, G. and Galzerani, J. C.},
year = {2005},
journal   = {Physical Review Letters}
}