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  Two-body problem of core-region coupled magnetic vortex stacks

Hänze, M., Adolff, C. F., Velten, S., Weigand, M., & Meier, G. (2016). Two-body problem of core-region coupled magnetic vortex stacks. Physical Review B, 93(5): 054411. doi:10.1103/PhysRevB.93.054411.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-AA64-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0004-9195-F
Genre: Journal Article

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http://dx.doi.org/10.1103/PhysRevB.93.054411 (Publisher version)
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 Creators:
Hänze, Max1, Author
Adolff, Christian F.1, Author
Velten, Sven1, Author
Weigand, Markus2, Author
Meier, Guido3, 4, 5, Author           
Affiliations:
1Institut für Angewandte Physik und Zentrum für Mikrostrukturforschung, Universität Hamburg, 20355 Hamburg, Germany, ou_persistent22              
2Max-Planck-Institute for Intelligent Systems, Stuttgart, Germany, ou_persistent22              
3Dynamics and Transport in Nanostructures, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074319              
4Ultrafast Electronics, Scientific Service Units, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2074323              
5The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, 22761 Hamburg, Germany, ou_persistent22              

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 Abstract: The dynamics of all four combinations of possible polarity and circularity states in a stack of two vortices is investigated by time-resolved scanning transmission x-ray microscopy. The vortex stacks are excited by unidirectional magnetic fields leading to a collective oscillation. Four different modes are observed that depend on the relative polarizations and circularities of the stacks. They are excited to a driven oscillation. We observe a repulsive and attractive interaction of the vortex cores depending on their relative polarizations. The nonlinearity of this core interaction results in different trajectories that describe a two-body problem.

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Language(s): eng - English
 Dates: 2016-01-262015-08-042016-02-092016-02-01
 Publication Status: Issued
 Pages: 6
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.93.054411
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 93 (5) Sequence Number: 054411 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008