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Cited by 34Magnetic properties of thin filmsMagnetism in coordination complexesQuantum and electron transport phenomena

Bifurcation in precessional switching

Acremann, Y., Back, C. H., Buess, M., Pescia, D., Pokrovsky, V.·2001·Applied Physics Letters
DOI 10.1063/1.1407299
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Abstract

We explore the precessional motion of the magnetization vector in a model magnetic element. We find that the Landau–Lifshitz equation governing this motion allows trajectories of the magnetization vector to bifurcate. This yet unknown phenomenon is accompanied by a slowing down of the precessional motion and an abrupt shrinking of the size of the trajectory of the precessing magnetization. We discuss the implication of bifurcation for future devices using precessional switching and suggest how magnetic elements showing the classical phenomenon of bifurcation can be tuned to act as quantum bits.

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Crossref · 10.1063/1.1407299

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16 of 16 references verified0 citation errors · 0 not checkable

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  • At the bifurcation point, thermal agitation induces a small random deviation of magnetization, and the magnetization relaxes to the AP or P state with the same probability of 50%.

    “At the bifurcation point, thermal agitation induces a small random deviation of magnetization.As a result, the magnetization will relax to the AP or P state with the same probability of 50%.”

    From Spin dice: A scalable truly random number generator based on spintronics (2014) · cites this paper as [22]

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Related

Authors
Acremann, Y., Back, C. H., Buess, M., Pescia, D., & Pokrovsky, V.
Affiliations
  • ETH Zurich (CH)
  • Texas A&M University (US)
ORCID
Venue
Applied Physics Letters
Publisher
AIP Publishing
Published
2001-10-01
Volume
79
Issue
14
Pages
2228-2230
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
DOI
10.1063/1.1407299
OpenAlex
W1999246158
Cited by
34
References
16
Citations by year
2021: 1 · 2019: 2 · 2018: 1 · 2017: 1 · 2016: 2 · 2014: 4 · 2013: 1
FWCI
2.11
Type
journal article
Language
en
Open access
closed
Locations
  • Applied Physics Letters (publishedVersion)
  • University of Regensburg Publication Server (University of Regensburg) (submittedVersion)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Magnetic properties of thin films
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Magnetism in coordination complexes
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum and electron transport phenomena
Keywords
precessional switching, bifurcation, magnetization dynamics, Landau-Lifshitz equation, precessional motion, magnetic elements, qubits, spintronic devices

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