Unveiling the nature of the quantum-spin-liquid behaviors in YbZnGaO4
Quantum spin liquids (QSLs), as a novel quantum state of matter in which strong quantum fluctuation suppresses the conventional magnetic order even down to zero temperature, have drawn much attention owing to their exotic properties and potential applications. Our preliminary results have identified YbZnGaO4 as a new QSL, but the nature of the QSL behavior is not clear yet. Now we propose to carry out INS experiments under a magnetic field high enough to force all the spins to align parallel to the field. The resulting excitations will be spin waves, from which we can extract the exchange interactions for the QSL ground state. The high flux, fine resolutions, and the FlatCone option of ThALES are crucial for the success of this experiment. Totally, we would like to ask for 7 days on ThALES.
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Zhen Ma; BOEHM Martin; REGNAULT Louis Pierre; Yixi Su and WANG Xiao. (2018). Unveiling the nature of the quantum-spin-liquid behaviors in YbZnGaO4. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-05-680
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