Physics

Signature of a randomness-driven spin-liquid state in a frustrated magnet

J. Khatua, M. Gomilšek, et al.

This fascinating research unveils the properties of the frustrated antiferromagnet Li₄CuTeO₆, revealing no long-range magnetic ordering even at ultra-low temperatures. Through innovative thermodynamic and muon spin relaxation measurements, the study highlights a disorder-driven, dynamic ground state resembling a random-singlets spin liquid, conducted by a talented team of researchers including J. Khatua and M. Gomilšek.

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Index

Abstract

This paper presents thermodynamic and muon spin relaxation measurements, along with ab initio density functional theory and exact diagonalization results, on the frustrated antiferromagnet Li₄CuTeO₆. The study finds no long-range magnetic ordering or spin freezing down to 45 mK, despite strong antiferromagnetic interactions. Data collapse analysis of magnetization and specific heat suggests a disorder-driven correlated and dynamic ground state, consistent with a random-singlets spin liquid.

Publisher

COMMUNICATIONS PHYSICS

Published On

Apr 22, 2022

Authors

J. Khatua, M. Gomilšek, J. C. Orain, A. M. Strydom, Z. Jagličić, C. V. Colin, S. Petit, A. Ozarowski, L. Mangin-Thro, K. Sethupathi, M. S. Ramachandra Rao, A. Zorko, P. Khuntia

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