Duplication, Collapse, and Escape of Magnetic Skyrmions Revealed Using a Systematic Saddle Point Search Method
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Tutkijat
Organisaatiot
- University of Iceland
- Forschungszentrum Jülich
- RWTH Aachen University
- St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO)
- St. Petersburg State University
Kuvaus
Various transitions that a magnetic Skyrmion can undergo are found in calculations using a method for climbing up the energy surface and converging onto first order saddle points. In addition to collapse and escape through a boundary, the method identifies a transition where the Skyrmion divides and forms two Skyrmions. The activation energy for this duplication process can be similar to that of collapse and escape. A tilting of the external magnetic field for a certain time interval is found to induce the duplication process in a dynamical simulation. Such a process could turn out to be an important avenue for the creation of Skyrmions in future magnetic devices.
Yksityiskohdat
Alkuperäiskieli | Englanti |
---|---|
Artikkeli | 197202 |
Sivut | 1-6 |
Julkaisu | Physical Review Letters |
Vuosikerta | 121 |
Numero | 19 |
Tila | Julkaistu - 6 marraskuuta 2018 |
OKM-julkaisutyyppi | A1 Julkaistu artikkeli, soviteltu |
Lataa tilasto
ID: 30130406