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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/7497
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dc.contributor.authorBanerjee, Tirthankar-
dc.contributor.authorBasu, Urna-
dc.contributor.authorMaes, Christian-
dc.date.accessioned2020-07-07T11:00:22Z-
dc.date.available2020-07-07T11:00:22Z-
dc.date.issued2020-06-
dc.identifier.citationPhysical Review E, 2020, Vol.101, Article No.062130en_US
dc.identifier.issn2470-0045-
dc.identifier.issn2470-0053 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/7497-
dc.descriptionOpen Accessen_US
dc.description.abstractWhen a particle moves through a spatially-random force field, its momentum may change at a rate which grows with its speed. Suppose moreover that a thermal bath provides friction which gets weaker for large speeds, enabling high-energy localization. The result is a unifying framework for the emergence of heavy tails in the velocity distribution, relevant for understanding the power-law decay in the electron velocity distribution of space plasma or more generally for explaining non-Maxwellian behavior of driven gases. We also find long-time tails in the velocity autocorrelation, indicating persistence at large speeds for a wide range of parameters and implying superdiffusion of the position variable.en_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.urihttps://ui.adsabs.harvard.edu/abs/2019arXiv191210780B/abstracten_US
dc.relation.urihttps://arxiv.org/abs/1912.10780en_US
dc.relation.urihttps://doi.org/10.1103/PhysRevE.101.062130en_US
dc.rights2020 American Physical Societyen_US
dc.titleActive velocity processes with suprathermal stationary distributions and long-time tailsen_US
dc.typeArticleen_US
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