Multiple transient memories in experiments on sheared non-Brownian suspensions

Multiple transient memories in experiments on sheared non-Brownian suspensions

A system with multiple transient memories can remember a set of inputs but subsequently forgets almost all of them, even as they are continually applied. If noise is added, the system can store all memories indefinitely. The phenomenon has recently been predicted for cyclically sheared non-Brownian...

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Bibliographic Details
Published in:Physical review letters Vol. 113; no. 6; p. 068301
Main Authors: Paulsen, Joseph D, Keim, Nathan C, Nagel, Sidney R
Format: Journal Article
Language:English
Published: United States 08-08-2014
Subjects:
Noise
Stores
Online Access:Get full text
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Summary:A system with multiple transient memories can remember a set of inputs but subsequently forgets almost all of them, even as they are continually applied. If noise is added, the system can store all memories indefinitely. The phenomenon has recently been predicted for cyclically sheared non-Brownian suspensions. Here we present experiments on such suspensions, finding behavior consistent with multiple transient memories and showing how memories can be stabilized by noise.
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ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.113.068301