Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. Notes on rt-TDDFT simulations
  • Section S2. Notes on FB-rt-TDDFT simulations
  • Section S3. Atomic LLG model
  • Fig. S1. Evolution of total DOS.
  • Fig. S2. Evolution of magnetic moment per atom for Ni bulk under light with linear polarization, left circular polarization, and right circular polarization.
  • Fig. S3. Change of electron spin angular momentum Se, electron orbital angular momentum Le, ion orbital angular momentum Lion, and their total angular momentum (all in the z direction) for Ni dimer under the circular polarization light.
  • Fig. S4. Magnetic vector potential (A) of Gaussian-enveloped linearly polarized laser with 550 nm of wavelength, 22.5 mJ/cm2 of fluence, 4 fs of duration, and peak at 2 fs.
  • Fig. S5. Evolution of normalized spin (m) in an 8 × 1 × 1 long system excited by the 4-fs laser of fig. S4.
  • Fig. S6. Tests of the fixed basis set size on the 8 × 1 × 1 system (80 valence electrons in total).
  • Fig. S7. The statistical average angle (θ) from the spin direction to the z direction in the equilibrant states, as a function of temperature.
  • References (6168)

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