Dynamic Scaling in the Susceptibility of the Spin-12Kagome Lattice Antiferromagnet Herbertsmithite

2010/02/28 by Joel S. Helton, J. S. Helton, K. Matan +11 · 16 citations
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #cond-mat.str-el

paper · pdf · doi:10.1103/physrevlett.104.147201

published as Physical Review Letters 104, 147201 (2010). · 5 pages, 3 figures v2: updated to match published version.

arxiv created 2010/04/06 · openalex publication_date 2010/04/06 · arxiv updated 2010/04/07 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The spin-1/2 kagome lattice antiferromagnet herbertsmithite, ZnCu(3)(OH)(6)Cl(2), 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 chiT(alpha) with alpha approximately 0.66 can be expressed as a universal function of H/T or omega/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.

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