Anomalous Fluctuations in the Motion of Partitioning Objects

Anomalous Fluctuations in the Motion of Partitioning Objects

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 no...

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Veröffentlicht in:Journal of statistical physics 2014-07, Vol.156 (2), p.291-300
Hauptverfasser: DelRe, E., Di Sabatino, S., Di Porto, P., Crosignani, B.
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Mathematical and Computational Physics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Physics
Statistical Physics and Dynamical Systems
Theoretical
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container_end_page 300
container_issue 2
container_start_page 291
container_title Journal of statistical physics
container_volume 156
creator DelRe, E.
Di Sabatino, S.
Di Porto, P.
Crosignani, B.
description 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.
doi_str_mv 10.1007/s10955-014-1001-3
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subjects Mathematical and Computational Physics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Physics
Statistical Physics and Dynamical Systems
Theoretical
title Anomalous Fluctuations in the Motion of Partitioning Objects
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