Abstract
The temperature dependence of the inverse magnetic correlation length of the S=3/2, one-dimensional Heisenberg antiferromagnet, CsVCl 3, was determined using neutron scattering, above the three-dimensional ordering temperature in order to discuss the one-dimensional properties of this system. The measurements were performed on a crystal-analyzer spectrometer at a pulsed neutron source and also on a triple-axis spectrometer (in the double-axis mode) at a steady-state neutron source. From these results it is concluded that the inverse correlation length κ is proportional to the temperature, as predicted by classical theory and that the correction of the kinematical factor ( k f/ k i) is essential to deduce the magnetic correlation.
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