ISIS Neutron and Muon Source Data Journal

Quantum Phase Transition in Quantum Spin Liquid Candidate Ce2Zr2O7

Abstract: The interplay between symmetry and topology is a major theme of condensed matter physics. Nontrivial realization of symmetries has led to various states with different macroscopic quantum coherence. Among them, quantum spin liquid (QSL) state, which has no conventional order parameter associated with broken symmetry, can emerge in insulators containing localized spin degrees of freedom. Practically, QSL states are characterized by a fractionalized spin excitation that can be revealed by inelastic neutron scattering. A key consequence of QSL scenario is the presence of a quantum phase transition in the applied magnetic field. Such a transition is required to remove the fractionalized excitation from the spectrum. At a low field and temperature, the QSL state may support exotic excitations like magnetic monopoles, while in a higher field, the ground state is a spin-polarized ferromagnet.

Principal Investigator: Professor Pengcheng Dai
Local Contact: Dr Ross Stewart
Experimenter: Miss Pengling Dai
Experimenter: Miss Ruixian Liu
Experimenter: Dr Xingye Lu
Experimenter: Mr Tong Chen
Local Contact: Dr Russell Ewings
Experimenter: Dr Bin Gao
Experimenter: Mr Yaofeng Xie
Local Contact: Dr Christian Balz

DOI: 10.5286/ISIS.E.RB1920164

ISIS Experiment Number: RB1920164

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Pengcheng Dai et al; (2020): Quantum Phase Transition in Quantum Spin Liquid Candidate Ce2Zr2O7, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1920164

Data is released under the CC-BY-4.0 license.