| Issue |
EPL
Volume 86, Number 3, May 2009
|
|
|---|---|---|
| Article Number | 30002 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/86/30002 | |
| Published online | 13 May 2009 | |
Intrinsic ratchets
1
Hasselt University - B-3590 Diepenbeek, Belgium, EU
2
Fakultät für Physik, Universität Bielefeld - 33615 Bielefeld, Germany, EU
3
NORDITA - Roslagstullsbacken 23, SE-106 91 Stockholm, Sweden, EU
Corresponding author: vandenbroek.martijn@gmail.com
Received:
9
October
2008
Accepted:
8
April
2009
We present analytic expressions for the drift behaviour of Brownian particles with intrinsic asymmetry in unbiased time-dependent force fields, derived from a generic formalism. Our findings are supported by molecular dynamics simulations.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 62.25.Fg – High-frequency properties, responses to resonant or transient (time-dependent) fields
© EPLA, 2009
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