Ratchet due to broken friction symmetry

Research output: Contribution to journalJournal article – Annual report year: 2002Researchpeer-review

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Ratchet due to broken friction symmetry. / Norden, Bengt; Zolotaryuk, Yaroslav; Christiansen, Peter Leth; Zolotaryuk, Alexander.

In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, Vol. 65, No. 1, 2002, p. 011110.

Research output: Contribution to journalJournal article – Annual report year: 2002Researchpeer-review

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@article{fa5178a45a9840fc83530feaac195480,
title = "Ratchet due to broken friction symmetry",
abstract = "A ratchet mechanism that occurs due to asymmetric dependence of the friction of a moving system on its velocity or a driving force is reported. For this kind of ratchet, instead of a particle moving in a periodic potential, the dynamics of which have broken space-time symmetry, the system must be provided with sonic internal structure realizing such a velocity- or force-friction dependence. For demonstration of a ratchet mechanism of this type, an experimental setup (gadget) that converts longitudinal oscillating or fluctuating motion into a unidirectional rotation has been built and experiments with it have been carried out. In this device, an asymmetry of friction dependence on an applied force appears, resulting in rectification of rotary motion, In experiments, our setup is observed to rotate only in one direction, which is in accordance with given theoretical arguments, Despite the setup being three dimensional, the ratchet rotary motion is proved to be described by one dynamical equation. This kind of motion is a result of the interplay of friction and inertia. We also consider a case with viscous friction, which is irrelevant to this gadget, but it can be a possible mechanism of rotary unidirectional motion of some swimming organisms in a liquid.",
keywords = "MICROORGANISMS, CHAOTIC TRANSPORT, ELECTROPHORESIS, CYANOBACTERIA, PROPULSION, DYNAMICS, DRY-FRICTION, MOLECULAR MOTORS, INERTIA RATCHETS, DIRECTIONAL MOTION",
author = "Bengt Norden and Yaroslav Zolotaryuk and Christiansen, {Peter Leth} and Alexander Zolotaryuk",
note = "Copyright (2002) American Physical Society",
year = "2002",
doi = "10.1103/PhysRevE.65.011110",
language = "English",
volume = "65",
pages = "011110",
journal = "Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)",
issn = "2470-0045",
publisher = "American Physical Society",
number = "1",

}

RIS

TY - JOUR

T1 - Ratchet due to broken friction symmetry

AU - Norden, Bengt

AU - Zolotaryuk, Yaroslav

AU - Christiansen, Peter Leth

AU - Zolotaryuk, Alexander

N1 - Copyright (2002) American Physical Society

PY - 2002

Y1 - 2002

N2 - A ratchet mechanism that occurs due to asymmetric dependence of the friction of a moving system on its velocity or a driving force is reported. For this kind of ratchet, instead of a particle moving in a periodic potential, the dynamics of which have broken space-time symmetry, the system must be provided with sonic internal structure realizing such a velocity- or force-friction dependence. For demonstration of a ratchet mechanism of this type, an experimental setup (gadget) that converts longitudinal oscillating or fluctuating motion into a unidirectional rotation has been built and experiments with it have been carried out. In this device, an asymmetry of friction dependence on an applied force appears, resulting in rectification of rotary motion, In experiments, our setup is observed to rotate only in one direction, which is in accordance with given theoretical arguments, Despite the setup being three dimensional, the ratchet rotary motion is proved to be described by one dynamical equation. This kind of motion is a result of the interplay of friction and inertia. We also consider a case with viscous friction, which is irrelevant to this gadget, but it can be a possible mechanism of rotary unidirectional motion of some swimming organisms in a liquid.

AB - A ratchet mechanism that occurs due to asymmetric dependence of the friction of a moving system on its velocity or a driving force is reported. For this kind of ratchet, instead of a particle moving in a periodic potential, the dynamics of which have broken space-time symmetry, the system must be provided with sonic internal structure realizing such a velocity- or force-friction dependence. For demonstration of a ratchet mechanism of this type, an experimental setup (gadget) that converts longitudinal oscillating or fluctuating motion into a unidirectional rotation has been built and experiments with it have been carried out. In this device, an asymmetry of friction dependence on an applied force appears, resulting in rectification of rotary motion, In experiments, our setup is observed to rotate only in one direction, which is in accordance with given theoretical arguments, Despite the setup being three dimensional, the ratchet rotary motion is proved to be described by one dynamical equation. This kind of motion is a result of the interplay of friction and inertia. We also consider a case with viscous friction, which is irrelevant to this gadget, but it can be a possible mechanism of rotary unidirectional motion of some swimming organisms in a liquid.

KW - MICROORGANISMS

KW - CHAOTIC TRANSPORT

KW - ELECTROPHORESIS

KW - CYANOBACTERIA

KW - PROPULSION

KW - DYNAMICS

KW - DRY-FRICTION

KW - MOLECULAR MOTORS

KW - INERTIA RATCHETS

KW - DIRECTIONAL MOTION

U2 - 10.1103/PhysRevE.65.011110

DO - 10.1103/PhysRevE.65.011110

M3 - Journal article

VL - 65

SP - 011110

JO - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)

JF - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)

SN - 2470-0045

IS - 1

ER -