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The Missing Memristor has Not been Found.

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Summary

The ideal memristor concept was introduced in 1971, but the hypothesized real memristor device, requiring magnetic induction, remains elusive and likely impossible. Mechanical analogies further illustrate this concept

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Area of Science:

  • Physics
  • Electrical Engineering
  • Materials Science

Background:

  • The theoretical 'ideal memristor' concept was introduced in 1971.
  • A real memristor device was hypothesized based on existing inductors, grounded in electromagnetic symmetries.
  • A 2008 claim of discovering the 'missing memristor' sparked controversy regarding novelty and fundamental principles.

Purpose of the Study:

  • To clarify conceptual confusion surrounding memristor definitions and historical claims.
  • To re-evaluate the existence and feasibility of the originally hypothesized real memristor.
  • To explore mechanical analogies for memristor concepts.

Main Methods:

  • Conceptual analysis of memristor definitions and historical claims.
  • Comparison of theoretical requirements with existing devices.
  • Development of mechanical analogues for memristor systems.

Main Results:

  • The originally hypothesized real memristor, requiring magnetic induction, is likely impossible.
  • Existing devices claimed as 'memristors' function as analogue memory and do not meet the 1971 hypothesis requirements.
  • Mechanical analogues reveal parallels, with a hypothetical real mechanical memristor requiring inert mass.

Conclusions:

  • The 'missing memristor' as originally hypothesized remains undiscovered and potentially unachievable.
  • Distinctions between 'memristive systems' and the hypothesized memristor are crucial.
  • The study highlights fundamental physics principles and the importance of precise definitions in scientific discovery.