Evidence for a spinon Fermi surface in a triangular-lattice quantum-spin-liquid candidate

Yao Shen, Yao-Dong Li, Hongliang Wo, Yuesheng Li, Shoudong Shen, Bingying Pan, Qisi Wang, H. C. Walker, P. Steffens, M. Boehm, Yiqing Hao, D. L. Quintero-Castro, L. W. Harriger, M. D. Frontzek, Lijie Hao, Siqin Meng, Qingming Zhang, Gang Chen () and Jun Zhao ()
Additional contact information
Yao Shen: Fudan University
Yao-Dong Li: School of Computer Science, Fudan University
Hongliang Wo: Fudan University
Yuesheng Li: Beijing Key Laboratory of Opto-electronic Functional Materials and Micro-nano Devices, Renmin University of China
Shoudong Shen: Fudan University
Bingying Pan: Fudan University
Qisi Wang: Fudan University
H. C. Walker: ISIS Facility, Rutherford Appleton Laboratory, STFC
P. Steffens: Institut Laue-Langevin
M. Boehm: Institut Laue-Langevin
Yiqing Hao: Fudan University
D. L. Quintero-Castro: Helmholtz-Zentrum Berlin für Materialien und Energie
L. W. Harriger: NIST Center for Neutron Research, National Institute of Standards and Technology
M. D. Frontzek: Oak Ridge National Laboratory
Lijie Hao: Neutron Scattering Laboratory, China Institute of Atomic Energy
Siqin Meng: Neutron Scattering Laboratory, China Institute of Atomic Energy
Qingming Zhang: Beijing Key Laboratory of Opto-electronic Functional Materials and Micro-nano Devices, Renmin University of China
Gang Chen: Fudan University
Jun Zhao: Fudan University

Nature, 2016, vol. 540, issue 7634, 559-562

Abstract: A spin excitation continuum across a large region of the Brillouin zone that persists at near-zero temperatures provides evidence for a quantum spin liquid state with a spinon Fermi surface in YbMgGaO4.

Date: 2016
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DOI: 10.1038/nature20614

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