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Experimental demonstration of spin-correlation-driven ferroelectric quantum criticality in a prototype quantum spin-liquid material, suggesting new avenues for research.
Here we have experimentally demonstrated spin-correlation-driven ferroelectric quantum criticality in a prototype quantum spin-liquid system, Ba3CuSb2O9, a quantum phenomenon rarely observed. The dielectric constant follows a clear T^2 scaling, showing...
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Ghosh et al. (2026) studied this question.
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