Logical and Physical Reversibility of Conservative Skyrmion Logic

Hu, Xuan; Walker, Benjamin W.; Garcia-Sanchez, Felipe; Edwards, Alexander J.; Zhou, Peng; Incorvia, Jean C.; Paler, Alexandru; Frank, Michael P.; Friedman, Joseph S.

doi:10.1109/lmag.2022.3174514

Title: Logical and Physical Reversibility of Conservative Skyrmion Logic

Journal Article · Wed May 11 00:00:00 EDT 2022 · IEEE Magnetics Letters

DOI:https://doi.org/10.1109/lmag.2022.3174514· OSTI ID:1872008

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Univ. of Texas at Dallas, Richardson, TX (United States)
Universidad de Salamanca (Spain)
Univ. of Texas, Austin, TX (United States)
Aalto Univ., Otaniemi (Finland)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Magnetic skyrmions are nanoscale whirls of magnetism that can be propagated with electrical currents. The repulsion between skyrmions inspires their use for reversible computing based on the elastic billiard ball collisions proposed for conservative logic in 1982. In this letter, we evaluate the logical and physical reversibility of this skyrmion logic paradigm, as well as the limitations that must be addressed before dissipation-free computation can be realized.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0003525

OSTI ID:: 1872008

Report Number(s):: SAND2022-5262J; 706212

Journal Information:: IEEE Magnetics Letters, Vol. 13; ISSN 1949-307X

Publisher:: IEEECopyright Statement

Country of Publication:: United States

Language:: English

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