Comment on "Dephasing Times in Quantum Dots due to Elastic LO   Phonon-Carrier Collisions"
  This paper is a Comment on Phys. Rev. Lett. 85, 1516 (2000) by A.V. Uskov, A.-P. Jauho, B. Tromborg, J. Mork, and R. Lang. 
E. A. Muljarov and R. Zimmermann