Multiparticle states in the S = 1 chain system CsNiCl3

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.87.017201
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TypeArticle
Journal titlePhysical Review Letters
ISSN0031-9007
Volume87
Issue1
Pages017201-1017201-4; # of pages: 4
AbstractA continuum of magnetic states has been observed by neutron scattering from the spin-1 chain compound CsNiCl3 in its disordered gapped one-dimensional phase. Results using both triple-axis and time-of-flight spectrometers show that around the antiferromagnetic point Qc = pi, the continuum lies higher in energy than the Haldane gapped excitations. At 6 K the integrated intensity of the continuum is about 12(2)% of the total spectral weight. This result is considerably larger than the 1%-3% weight predicted by the nonlinear sigma model for the three-particle continuum.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Canadian Neutron Beam Centre
Peer reviewedNo
Identifier10109961
NPARC number12339029
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Record identifier2320e308-8785-4ee2-b1f1-0cd1d9851b96
Record created2009-09-11
Record modified2016-05-09
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