Physical Review Letters
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Discovery of Berezinskii-Kosterlitz-Thouless Correlations in the Quantum Kagome Compound ${\mathrm{Cs}}_{2}{\mathrm{Cu}}_{3}{\mathrm{SnF}}_{12}$
Author(s): M. S. Grbić, I. Jakovac, I. Kupčić, H. Tanaka, and M. Horvatić
We investigate the microscopic properties of the kagome compound ${\mathrm{Cs}}_{2}{\mathrm{Cu}}_{3}{\mathrm{SnF}}_{12}$ using $^{63,65}\mathrm{Cu}$ nuclear quadrupolar resonance. Analysis of the local hyperfine fields below the Néel temperature ${T}_{\mathrm{N}}=20\text{ }\text{ }\mathrm{K}$ indica… [Phys. Rev. Lett. 137, 086501] Published Tue Aug 18, 2026