Bologna, Mauro; Aquino, Gerardo - In: The European Physical Journal B - Condensed Matter and … 87 (2014) 1, pp. 1-7
We derive the probability density of a diffusion process generated by nonergodic velocity fluctuations in presence of a weak potential, using the Liouville equation approach. The velocity of the diffusing particle undergoes dichotomic fluctuations with a given distribution ψ(τ) of residence...