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. 2015 Nov 25;5:17137. doi: 10.1038/srep17137

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Copyright © 2015, Macmillan Publishers Limited

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(a) The spatially averaged magnetisation components , , and and (b) skyrmion number , scalar value , and total energy time evolutions in the reversal process over . The simulated sample is a thin film disk with diameter. (c) The magnetisation states at different instances of time (points A to F) together with colourmap in the cross section and profiles along the horizontal symmetry line. (d) The colourmap and magnetisation field in the central part of cross section as shown in an inset together with the position of Bloch point (BP). (e) The BP structure along with colourmaps of magnetisation components which shows that the magnetisation covers the closed surface (sphere surrounding the BP) exactly once.

Inline graphic — (a) The spatially averaged magnetisation components , , and and (b) skyrmion number , scalar value , and total energy time evolutions in the reversal process over . The simulated sample is a thin film disk with diameter. (c) The magnetisation states at different instances of time (points A to F) together with colourmap in the cross section and profiles along the horizontal symmetry line. (d) The colourmap and magnetisation field in the central part of cross section as shown in an inset together with the position of Bloch point (BP). (e) The BP structure along with colourmaps of magnetisation components which shows that the magnetisation covers the closed surface (sphere surrounding the BP) exactly once.