Generic transient memory formation in disordered systems with noise

Out-of-equilibrium disordered systems may form memories of external driving in a remarkable fashion. The system "remembers" multiple values from a series of training inputs yet "forgets" nearly all of them at long times despite the inputs being continually repeated. Here, learning and forgetting are inseparable aspects of a single process. The memory loss may be prevented by the addition of noise. We identify a class of systems with this behavior, giving as an example a model of non-Brownian suspensions under cyclic shear.

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Work Title Generic transient memory formation in disordered systems with noise
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Open Access
Creators
  1. Nathan C. Keim
  2. Sidney R. Nagel
License In Copyright (Rights Reserved)
Work Type Article
Publisher
  1. Physical Review Letters
Publication Date June 30, 2011
Publisher Identifier (DOI)
  1. https://doi.org/10.1103/PhysRevLett.107.010603
Deposited January 06, 2025

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Version 1
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  • Created
  • Added 1101.2931-1.pdf
  • Added Creator Nathan C. Keim
  • Added Creator Sidney R. Nagel
  • Published
  • Updated