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Bi-stability resistant to fluctuations

By M. Caruel and L. Truskinovsky

Abstract

Submitted to the Journal of the Mechanics and Physics of Solids (JMPS)International audienceWe study a simple micro-mechanical device that does not lose its snap-through behavior in an environment dominated by fluctuations. The main idea is to have several degrees of freedom that can cooperatively resist the de-synchronizing effect of random perturbations. As an inspiration we use the power stroke machinery of skeletal muscles, which ensures at sub-micron scales and finite temperatures a spectacularly swift recovery of an abruptly applied slack. In addition to hypersensitive response at finite temperatures, our prototypical Brownian snap spring also exhibits criticality at special values of parameters which is another potentially interesting property for micro-scale engineering applications

Topics: [ PHYS.PHYS.PHYS-BIO-PH ] Physics [physics]/Physics [physics]/Biological Physics [physics.bio-ph]
Publisher: Elsevier
Year: 2017
DOI identifier: 10.1016/j.jmps.2017.08.007
OAI identifier: oai:HAL:hal-01423380v1
Provided by: Hal-Diderot
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