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Nonlocal stimulation of three-magnon splitting in a magnetic vortex

Körber, Lukas; Schultheiß, Katrin; Hula, Tobias; Verba, Roman; Faßbender, Jürgen; Kakay, Attila; Schultheiß, Helmut


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  <identifier identifierType="DOI">10.14278/rodare.365</identifier>
  <creators>
    <creator>
      <creatorName>Körber, Lukas</creatorName>
      <givenName>Lukas</givenName>
      <familyName>Körber</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-8332-9669</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Schultheiß, Katrin</creatorName>
      <givenName>Katrin</givenName>
      <familyName>Schultheiß</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-3382-5442</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Hula, Tobias</creatorName>
      <givenName>Tobias</givenName>
      <familyName>Hula</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-1811-8862</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Verba, Roman</creatorName>
      <givenName>Roman</givenName>
      <familyName>Verba</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-8811-6232</nameIdentifier>
      <affiliation>Institute of Magnetism, Kyiv 03142, Ukraine</affiliation>
    </creator>
    <creator>
      <creatorName>Faßbender, Jürgen</creatorName>
      <givenName>Jürgen</givenName>
      <familyName>Faßbender</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0003-3893-9630</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Kakay, Attila</creatorName>
      <givenName>Attila</givenName>
      <familyName>Kakay</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-3195-219X</nameIdentifier>
    </creator>
    <creator>
      <creatorName>Schultheiß, Helmut</creatorName>
      <givenName>Helmut</givenName>
      <familyName>Schultheiß</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-6727-5098</nameIdentifier>
    </creator>
  </creators>
  <titles>
    <title>Nonlocal stimulation of three-magnon splitting in a magnetic vortex</title>
  </titles>
  <publisher>Rodare</publisher>
  <publicationYear>2020</publicationYear>
  <subjects>
    <subject>spin wave</subject>
    <subject>nonlinear</subject>
    <subject>three-magnon splitting</subject>
    <subject>stimulation</subject>
    <subject>micromagnetic simulation</subject>
    <subject>BLS</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2020-06-11</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Dataset"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://rodare.hzdr.de/record/365</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsIdenticalTo">https://www.hzdr.de/publications/Publ-31137</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://arxiv.org/abs/2005.12663</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsReferencedBy">https://www.hzdr.de/publications/Publ-31058</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.14278/rodare.364</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://rodare.hzdr.de/communities/hzdr</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://rodare.hzdr.de/communities/rodare</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;We present a combined numerical, theoretical and experimental study on stimulated three-magnon splitting in a magnetic disk in the vortex equilibrium state. Our micromagnetic simulations and Brillouin-light-scattering results confirm that three-magnon splitting can be triggered even below threshold by exciting one of the secondary modes by magnons propagating in a waveguide next to the disk. The experiments show that stimulation is possible over an extended range of excitation powers and a wide range of frequencies around the eigenfrequencies of the secondary modes. Rate-equation calculations predict an instantaneous response to stimulation and the possibility to prematurely trigger three-magnon splitting even above threshold in a sustainable manner. These predictions are confirmed experimentally using time-resolved Brillouin-light-scattering measurements and are in a good qualitative agreement with the theoretical results. We believe that the controllable mechanism of stimulated three-magnon splitting could provide a possibility to utilize magnon-based nonlinear networks as hardware for reservoir or neuromorphic computing.&lt;/p&gt;

&lt;p&gt;Here, we briefly describe how the archived data for the publication&amp;nbsp;&amp;quot;Nonlocal stimulation of three-magnon splitting in a magnetic vortex&amp;quot;, submitted&amp;nbsp;to PRL, is structured.&lt;/p&gt;

&lt;p&gt;&amp;quot;rate-equations&amp;quot;&lt;br&gt;
- theoretical data of the temporal evolution of the spin wave modes in Fig. 4&lt;/p&gt;

&lt;p&gt;&amp;quot;micromagnetic-simulation&amp;quot;&lt;br&gt;
- MuMax3 simulation recipes (.go files) and sample-layout masks for the&lt;br&gt;
simulations performed for Fig. 2(a,b,c).&lt;br&gt;
- corresponding power spectra obtained with our &amp;quot;mumax3-pwsp&amp;quot; program&lt;br&gt;
- mode profiles for stimulated and spontaneous splitting (Fig. 1(c) and Fig. 2(d))&lt;br&gt;
- dispersion of the spin waves, calculated by micromagetnic simulation, shown in Fig. 1(b)&lt;/p&gt;

&lt;p&gt;&amp;quot;experiments&amp;quot;&lt;br&gt;
- electron beam microscopy image of the sample&lt;br&gt;
- intensity spectrum of the waveguide, used to calculate the approximate&lt;br&gt;
frequency/wave-vector region where the waveguide is effective (inset in Fig. 1(c))&lt;br&gt;
- non-time-resolved BLS measurements, including spectra, power sweeps, etc. for&lt;br&gt;
Figs 2,3 in &amp;quot;i3MS&amp;quot; folders, in more detail described by &amp;quot;i3MS_V1_KS_logbook.pdf&amp;quot;&lt;br&gt;
- time-resolved BLS measurements, further explained in the corresponding subfolders&lt;br&gt;
&amp;nbsp;&lt;/p&gt;</description>
  </descriptions>
</resource>
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