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Magnetism and spin

Magnetism and spin

Orbital angular momentum monopoles appear in a chiral crystal

23 Oct 2024 Isabelle Dumé
A bright white wave peak passes through spheres of red and blue arrows pointing outward, resembling spiky hedgehogs
Monopoles of orbital angular momentum (OAM) are a tantalizing prospect for orbitronics because OAM is uniform in all directions. This would mean that information flows could be generated in any direction. Visualizing the orbital texture is almost like capturing an image of the OAM monopoles. (Courtesy: Paul Scherrer Institute / Monika Bletry)
Magnets generally have two poles, north and south, so observing something that behaves like it has o

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Isabelle Dumé is a contributing editor to Physics World
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