DelRe, E. and Di Sabatino, S. and Di Porto, P. and Crosignani, B. (2014) Anomalous Fluctuations in the Motion of Partitioning Objects. Journal of Statistical Physics, 156 (2). pp. 291-300. ISSN 0022-4715. http://resolver.caltech.edu/CaltechAUTHORS:20140707-095334275
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Abstract
We study how an object that partitions in two its thermally agitated environment relaxes to its equilibrium fluctuations. Event-driven molecular dynamics indicate that a conventional diffusive-like bound-Brownian motion is reached after a long-lived sub-diffusive regime. The two-stage behavior is not eliminated increasing the number of agitated particles, suggesting that the origin of the effect is a topologically frustrated exploration of phase-space.
| Item Type: | Article | ||||||||||||
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| Additional Information: | © 2014 Springer Science+Business Media New York. Received: 6 November 2013; Accepted: 15 April 2014; Published online: 6 May 2014. We thank Angelo Vulpiani for useful discussions. Stefano Di Sabatino is now with LPT-IRSAMC, Université Paul Sabatier - Toulouse, France. The research leading to these results was supported by funding from the Italian Ministry of Research (MIUR) through the “Futuro in Ricerca” FIRB Grant PHOCOS-RBFR08E7VA. Partial funding was received through the SMARTCONFOCAL project of the Regione Lazio and through the PRIN Project No. 2012BFNWZ2. | ||||||||||||
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| Subject Keywords: | Partitioning particle; Brownian motion; Power laws; Sub-diffusion; Adiabatic piston | ||||||||||||
| Record Number: | CaltechAUTHORS:20140707-095334275 | ||||||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20140707-095334275 | ||||||||||||
| Official Citation: | DelRe, E., Di Sabatino, S., Di Porto, P. et al. J Stat Phys (2014) 156: 291. doi:10.1007/s10955-014-1001-3 | ||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
| ID Code: | 46873 | ||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||
| Deposited On: | 07 Jul 2014 19:50 | ||||||||||||
| Last Modified: | 16 Jun 2017 19:37 |
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