Systematic analysis reveals links between chiral motifs and Raman scattering in quantum materials, suggesting new diagnostic frameworks.
Raman scattering with circular polarization provides a powerful probe of symmetry and exotic orders in quantum materials, including chirality and magnetism. The authors present here a systematic symmetry analysis of cross- and parallel-circular Raman optical activities, which represent circular dichroic responses in Raman scattering. They demonstrate that these activities are intrinsically linked to chiral and axial-vector motifs of materials, thereby establishing a diagnostic framework for identifying space-time symmetries in complex quantum phases.
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Watanabe et al. (2025) studied this question.
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