EPJ Web of Conferences (Mar 2013)

Time-domain evidence for an excitonic insulator

  • Kipp L.,
  • Kapteyn H. C.,
  • Murnane M. M.,
  • Carr A.,
  • Hanff K.,
  • Kalläne M.,
  • Rohwer T.,
  • Hellmann S.,
  • Bauer M.,
  • Rossnagel K.

DOI
https://doi.org/10.1051/epjconf/20134103022
Journal volume & issue
Vol. 41
p. 03022

Abstract

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Time- and angle-resolved photoemission spectroscopy with a high–harmonic- generation source is used to classify the potential excitonic insulator 1T-TiSe2 and the reference Peierls-Mott insulator 1T-TaS2 on the basis of the melting times of “spectroscopic order parameters”.