Schematic of two material slabs with opposite Berry curvature irradiated with polarized light. Selected for an Editors’ Suggestion.

From the article:

Probing Berry Curvature in Magnetic Topological Insulators through Resonant Infrared Magnetic Circular Dichroism
Seul-Ki Bac, Florian Le Mardelé, Jiashu Wang, Mykhaylo Ozerov, Kota Yoshimura, Ivan Mohelský, Xingdan Sun, Benjamin A. Piot, Stefan Wimmer, Andreas Ney, Tatyana Orlova, Maksym Zhukovskyi, Günther Bauer, Gunther Springholz, Xinyu Liu, Milan Orlita, Kyungwha Park, Yi-Ting Hsu, and Badih A. Assaf
Phys. Rev. Lett. 134, 016601 (2025)

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