Magnetic Excitations in the Quasi-1D Ising-like Antiferromagnet TlCoCl$_3$

Details Magnetic Excitations in the Quasi-1D Ising-like Antiferromagnet TlCoCl$_3$ Magnetic Excitations in the Quasi-1D Ising-like Antiferromagnet TlCoCl$_3$

2005-11-08

arxiv.org/abs/cond-mat/0511179v1

Physics

Condensed Matter

Strongly Correlated Electrons

2 pages, 3 figures, jpsj2.cls, to be published in J. Phys. Soc. Jpn. Vol.75 (2006) No. 1

Scientific paper

Neutron inelastic scattering measurements have been performed in order to investigate the magnetic excitations in the quasi-1D Ising-like antiferromagnet TlCoCl$_3$. We observed the magnetic excitation, which corresponds to the spin-wave excitation continuum corresponding to the domain-wall pair excitation in the 1D Ising-like antiferromagnet. According to the Ishimura-Shiba theory, we analyzed the observed spin-wave excitation, and the exchange constant $2J$ and the anistropy $\epsilon$ were estimated as 14.7 meV and 0.14 in TlCoCl$_3$, respectively.

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