Fractionalized excitations in the spin-liquid state of a kagome-lattice antiferromagnet

Tian-Heng Han (), Joel S. Helton, Shaoyan Chu, Daniel G. Nocera, Jose A. Rodriguez-Rivera, Collin Broholm and Young S. Lee ()
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Tian-Heng Han: Massachusetts Institute of Technology
Joel S. Helton: NIST Center for Neutron Research, National Institute of Standards and Technology
Shaoyan Chu: Center for Materials Science and Engineering, Massachusetts Institute of Technology
Daniel G. Nocera: Massachusetts Institute of Technology
Jose A. Rodriguez-Rivera: NIST Center for Neutron Research, National Institute of Standards and Technology
Collin Broholm: NIST Center for Neutron Research, National Institute of Standards and Technology
Young S. Lee: Massachusetts Institute of Technology

Nature, 2012, vol. 492, issue 7429, 406-410

Abstract: Neutron scattering measurements on single-crystal samples of the mineral herbertsmithite, which is a spin-1/2 kagome-lattice antiferromagnet, provide evidence of fractionalized spin excitations at low temperatures, indicating that the ground state of herbertsmithite may be a quantum spin liquid.

Date: 2012
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DOI: 10.1038/nature11659

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