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cond-mat.str-el2025★ 4 cited
Altermagnetism Without Crystal Symmetry
Peru d'Ornellas, Valentin Leeb, Adolfo G. Grushin +1
Altermagnetism is a collinear magnetic order in which opposite spin species are exchanged under a real-space rotation. Hence, the search for physical realizations has focussed on c…
cond-mat.str-el2025
Raman Circular Dichroism and Quantum Geometry of Chiral Quantum Spin Liquids
Eduard Koller, Valentin Leeb, Natalia B. Perkins +1
We show that the quantum geometry of fractionalized spin excitations in Mott-insulating quantum spin liquids (QSL) gives rise to a finite Raman circular dichroism (RCD) signal. We…