Publication: Dynamic scaling in the susceptibility of the spin-12 kagome lattice antiferromagnet herbertsmithite
Issued Date
2010-04-06
Resource Type
ISSN
10797114
00319007
00319007
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2-s2.0-77950645492
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Mahidol University
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SCOPUS
Bibliographic Citation
Physical Review Letters. Vol.104, No.14 (2010)
Suggested Citation
J. S. Helton, K. Matan, M. P. Shores, E. A. Nytko, B. M. Bartlett, Y. Qiu, D. G. Nocera, Y. S. Lee Dynamic scaling in the susceptibility of the spin-12 kagome lattice antiferromagnet herbertsmithite. Physical Review Letters. Vol.104, No.14 (2010). doi:10.1103/PhysRevLett.104.147201 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/29952
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Title
Dynamic scaling in the susceptibility of the spin-12 kagome lattice antiferromagnet herbertsmithite
Abstract
The spin-12 kagome lattice antiferromagnet herbertsmithite, ZnCu3(OH)6Cl2, is a candidate material for a quantum spin liquid ground state. We show that the magnetic response of this material displays an unusual scaling relation in both the bulk ac susceptibility and the low energy dynamic susceptibility as measured by inelastic neutron scattering. The quantity χTα with α0.66 can be expressed as a universal function of H/T or ω/T. This scaling is discussed in relation to similar behavior seen in systems influenced by disorder or by the proximity to a quantum critical point. © 2010 The American Physical Society.