Coexistence of magnon and spinon excitations in ${\mathrm{SeCuO}}_{3}$
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论文通过温度、磁场和角度依赖的Raman散射直接解析magnon与spinon连续谱，是利用谱学识别分数化激发的高度相关工作。
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Author(s): Youngsu Choi, Dirk Wulferding, Kalaivanan Raju, Raman Sankar, and Kwang-Yong Choi Using temperature-, field-, and angle-dependent Raman scattering, the authors observe here a sharp magnon coexisting with a broad spinon continuum in the quasi-one-dimensional quantum magnet SeCuO 3 . Both excitations exhibit identical angular dependence governed by the same Raman scattering symmetry. This common scattering symmetry demonstrates that coherent magnons emerge from the confinement of fractionalized spinons inherent to a one-dimensional quantum magnet. [Phys. Rev. B 114, 074407] Published Thu Aug 06, 2026