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24 April 2024

» arxiv » cond-mat/0605216

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Polarized Neutron Inelastic Scattering Study of the Anisotropic Magnetic Fluctuations in the Quasi-1D Ising-like Antiferromagnet TlCoCl$_3$
A. Oosawa ; K. Kakurai ; Y. Nishiwaki ; T. Kato ;
Date:	9 May 2006
Subject:	Strongly Correlated Electrons
Abstract:	Polarized neutron inelastic scattering experiments have been carried out in the quasi-1D Ising-like antiferromagnet TlCoCl$_3$. We observed the longitudinal magnetic fluctuation $S_{zz} (Q, omega)$ for the spin-wave excitation continuum, which has not been observed in the unpolarized neutron inelastic scattering experiments of the quasi-1D Ising-like antiferromagnets CsCoCl$_3$ and TlCoCl$_3$ so far, together with the transverse magnetic fluctuation $S_{xx} (Q, omega)$. We compared both obtained intensities of $S_{xx} (Q, omega)$ and $S_{zz} (Q, omega)$ with the perturbation theory from the pure Ising limit by Ishimura and Shiba, and a semi-quantitative agreement was found.
Source:	arXiv, cond-mat/0605216
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