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Anomalous diffusion in velocity space

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Dec 2009Embargo end date: 01 Jan 2009 English Publisher:Elsevier BVJournal:Physics Letters A, volume 374, pages 134-138 (issn: 0375-9601, Copyright policy )
Authors: Trigger, S. A.;

doi: 10.1016/j.physleta.2009.10.082 , 10.48550/arxiv.0907.2793

arXiv: 0907.2793

Anomalous diffusion in velocity space

Abstract

The problem of anomalous diffusion in the momentum space is considered on the basis of the appropriate probability transition function (PTF). New general equation for description of the diffusion of heavy particles in the gas of the light particles is formulated on basis of the new approach similar to one in coordinate space (S. Trigger et al.). The obtained results permit to describe the various situations when the probability transition function (PTF) has a long tail in the momentum space. The effective friction and diffusion coefficients are found.

11 pages, no figures and tables

Related Organizations
Keywords

Condensed Matter - Mesoscale and Nanoscale Physics, Statistical Mechanics (cond-mat.stat-mech), Stochastic methods (Fokker-Planck, Langevin, etc.) applied to problems in time-dependent statistical mechanics, \(2\)-body potential quantum scattering theory, Mesoscale and Nanoscale Physics (cond-mat.mes-hall), Kinetic theory of gases in time-dependent statistical mechanics, Interface problems; diffusion-limited aggregation in time-dependent statistical mechanics, FOS: Physical sciences, Statistical mechanics of plasmas, Dynamics of random walks, random surfaces, lattice animals, etc. in time-dependent statistical mechanics, Condensed Matter - Statistical Mechanics

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    popularity
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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
Green
bronze