Manipulating potential wells in Logical Stochastic Resonance to obtain XOR logic

Remo Storni, Hiroyasu Ando, Kazuyuki Aihara, K. Murali, Sudeshna Sinha

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

Logical Stochastic Resonance (LSR) is the application of Stochastic Resonance to logic computation, namely the phenomenon where a nonlinear system driven by weak signals representing logic inputs, under optimal noise, can yield logic outputs. We extend the existing results, obtained in the context of bistable systems, to multi-stable dynamical systems, allowing us to obtain XOR logic, in addition to the AND (NAND) and OR (NOR) logic observed in earlier studies. This strategy widens the scope of LSR from the application point of view, as XOR forms the basis of ubiquitous bit-by-bit addition, and conceptually, showing the ability to yield non-monotonic input-output logic associations.

Original languageEnglish
Pages (from-to)930-937
Number of pages8
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume376
Issue number8-9
DOIs
Publication statusPublished - 2012 Feb 6
Externally publishedYes

Keywords

  • Alternate computation
  • Logic gate
  • Stochastic Resonance

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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