Theoretical Study of Temperature Dependence of Spin Susceptibility in Anisotropic Itinerant Ferromagnets

@article{Miura2021TheoreticalSO,
  title={Theoretical Study of Temperature Dependence of Spin Susceptibility in Anisotropic Itinerant Ferromagnets},
  author={Daisuke Miura and Akimasa Sakuma},
  journal={Journal of the Physical Society of Japan},
  year={2021}
}
  • D. Miura, A. Sakuma
  • Published 13 October 2021
  • Physics
  • Journal of the Physical Society of Japan
We developed a framework for directly calculating the spin susceptibility of anisotropic itinerant ferromagnets in the full temperature range within the coherent potential approximation in the disordered local moment picture. As a test of our formulation, we demonstrate the computation for the temperature (T) dependence of the spin susceptibility for Rashba-type ferromagnets with the Curie temperature TC . In a certain parameter, we found that the inverse transverse susceptibility 1/χ⊥ ≃ const… 

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In the present work, this large SOI has been introduced only for easily showing both the CW law and a finite value of χ x in the vertical-axis scale in Fig. 2. Furthermore, we notice that
may be too large as typical 3d ferromagnetic metals [for example