Lorentz micrograph of a network of clockwise and anticlockwise vortices (white) and achiral antivortices (red) in a thin iron film.

From the article:

Light-Induced Metastable Magnetic Texture Uncovered by in situ Lorentz Microscopy
Tim Eggebrecht, Marcel Möller, J. Gregor Gatzmann, Nara Rubiano da Silva, Armin Feist, Ulrike Martens, Henning Ulrichs, Markus Münzenberg, Claus Ropers, and Sascha Schäfer
Phys. Rev. Lett. 118, 097203 (2017)

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