Generic transient memory formation in disordered systems with noise

Nathan C. Keim, Sidney R. Nagel

Research output: Contribution to journalArticle

32 Scopus citations

Abstract

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.

Original languageEnglish (US)
Article number010603
JournalPhysical review letters
Volume107
Issue number1
DOIs
StatePublished - Jun 30 2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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