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research article

Particle transport at arbitrary timescales with Poisson-distributed collisions

Baquero-Ruiz, M.  
•
Manke, F.  
•
Furno, I.  
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November 22, 2019
Physical Review E

We develop a model to investigate the time evolution of the mean location and variance of a random walker subject to Poisson-distributed collisions at constant rate. The collisions are instantaneous velocity changes where a new value of velocity is generated from a model probability function. The walker is persistent, which means that it moves at constant velocity between collisions. We study three different cases of velocity transition functions and compute the transport properties from the evolution of the variance. We observe that transport can change character over time and that early times show features that, in general, depend on the initial conditions of the walker.

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Type
research article
DOI
10.1103/PhysRevE.100.052134
Author(s)
Baquero-Ruiz, M.  
Manke, F.  
Furno, I.  
Fasoli, A.  
Ricci, P.  
Date Issued

2019-11-22

Published in
Physical Review E
Volume

100

Issue

5

Start page

1

End page

14, 052134

Subjects

Torpex

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SPC  
Available on Infoscience
February 26, 2020
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/166505
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