Volume 82, Number 2, April 2008
|Number of page(s)||6|
|Published online||26 March 2008|
Wave propagation and “Landau-type” damping from Bohm potential
Laboratorio di Ingegneria Nucleare di Montecuccolino, Alma Mater Studiorum Università di Bologna Via dei Colli 16, I-40136 Bologna, Italy,
Corresponding author: firstname.lastname@example.org
Accepted: 18 February 2008
From Bohm's interpretation of quantum mechanics, a quantum kinetic equation (QKE) can be derived. It is found that waves propagate in force-free gases of non interacting particles, only due to Bohm potential. In the present article the existence of Landau damping in such propagations is investigated. It is found that the Bohm potential alone gives indeed rise to a damping entirely analogous to the classical Landau damping, both for bosons and for weakly degenerate fermions.
PACS: 05.60.Gg – Quantum transport / 51.10.+y – Kinetic and transport theory of gases
© EPLA, 2008
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