YbCuSe2 realizes a quantum spin liquid ground state with dynamical phase separation below 0.7 K and roton-like excitations between 4.5 K and 1.8 K inferred from muon spin relaxation.
Prelov s s ek \ and\ author J
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Quantum spin liquid ground state with the evidence of roton-like excitations at elevated temperatures in the triangular-lattice delafossite YbCuSe$_2$
YbCuSe2 realizes a quantum spin liquid ground state with dynamical phase separation below 0.7 K and roton-like excitations between 4.5 K and 1.8 K inferred from muon spin relaxation.