Spin Dynamics in an S=2 Heisenberg Antiferromagnetic Chain, CsCrCl3.

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  • Itoh Shinichi
    Booster Synchrotron Utilization Facility, National Laboratory for High Energy Physics, 1–1 Oho, Tsukuba 305
  • Tanaka Hidekazu
    Department of Physics, Faculty of Science, Tokyo Institute of Technology, 2–12–1 Ookayama, Meguro–ku, Tokyo 152
  • Otomo Toshiya
    Booster Synchrotron Utilization Facility, National Laboratory for High Energy Physics, 1–1 Oho, Tsukuba 305

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  • Spin Dynamics in an S 2 Heisenberg Anti
  • Spin Dynamics in an<i><i>S</i>=<b>2</b></i>Heisenberg Antiferromagnetic Chain, CsCrCl<sub><b>3</b></sub>

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Abstract

The magnetic excitations in the chain direction of an S=2 Heisenberg antiferromagnetic chain, CsCrCl3, were measured at 20, 50, 80 and 120, K above the three-dimensional ordering temperature (TN=16, K) by inelastic neutron-scattering experiments. The dynamical scattering function at the temperatures used in the present study was found to be well described by a classical one-dimensional Heisenberg model.

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