Science Advances

Supplementary Materials

The PDF file includes:

  • Section S1. Data analysis of trARPES spectra
  • Section S2. DFT calculations of electronic structure
  • Section S3. Evolution of the electron temperature
  • Section S4. The electronic band shift and the new metastable states
  • Section S5. Relationship between the band shift and the CDW order
  • Section S6. Caption of the supplementary movie
  • Fig. S1. Fit of the trARPES spectra.
  • Fig. S2. Band structure for 1T-TaSe2 in the metallic state (1 × 1) with spin-orbit coupling.
  • Fig. S3. Partial density of states projected onto three kinds of Ta atoms in the CDW state ( 13×13) with spin-orbit coupling.
  • Fig. S4. Analysis of the electron temperature.
  • Fig. S5. Analysis of the band shift.
  • Fig. S6. Schematic of the new long-lived metastable state mediated by mode-selective electron-phonon coupling.
  • Fig. S7. The long-lasting metastable state.
  • Fig. S8. ARPES spectra at selected time delays for the laser fluence of 0.86 mJ/cm2.
  • Fig. S9. ARPES spectra at two time delays as a function of laser fluence.
  • Legend for movie S1
  • References (4651)

Download PDF

Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mp4 format). Transforming a material into a new state after heating the electrons with an ultrafast laser.

Files in this Data Supplement: