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SUMMARY:Magnetic excitations from TDDFT: the case of the CrI3 2D magnet - 
 Tommaso Gorni (CINECA)
DTSTART:20230525T130000Z
DTEND:20230525T140000Z
UID:TALK196513@talks.cam.ac.uk
CONTACT:Bo Peng
DESCRIPTION:The ab initio computation of dynamical spin susceptibilities d
 ates back to more than 20 years ago [1]\, yet it still represents a formid
 able task\, especially when accounting for relativistic effects and relate
 d magnetic anisotropies.\n\nIn this seminar\, I will show how relativistic
  spin susceptibilities can be computed within Time-Dependent Density-Funct
 ional Theory (TDDFT) leveraging on the Liouville-Lanczos approach [2\,3]\,
  and I will discuss its application to the study of the magnon dispersion 
 of CrI3\, the leading member of the recently-discovered family of 2D magne
 ts [4\,5].\n\n[1] S.Y. Savrasov\, PRL 81\, 2570 (1998).\n\n[2] T. Gorni et
  al.\, EPJB 91\, 1 (2018).\n\n[3] T. Gorni et al.\, Comp. Phys. Commun. 28
 0\, 108500 (2022).\n\n[4] P. Delugas et al.\, arXiv:2105.04531\, accepted 
 on PRB.\n\n[5] T. Gorni et al.\, arXiv:2212.09516\, submitted to PRL.
LOCATION:TCM Seminar Room
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