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Showing 1–2 of 2 results
Advanced filters: Author: Omar Mehio Clear advanced filters

  • Hole and particle-like quasiparticles of a Mott insulator can pair into excitonic bound states. Now, time-resolved measurements of Sr2IrO4 show signs of an excitonic fluid forming from a photo-excited population of quasiparticles.

    • Omar Mehio
    • Xinwei Li
    • David Hsieh
    Research
    Nature Physics
    Volume: 19, P: 1876-1882

  • Ultrafast laser excitation can generate metastable states in quantum materials, with no counterpart in equilibrium. Here the authors demonstrate a transient quadrupolar ordered state in Ca2RuO4 single crystals via excitation of a phonon mode coupled to the order parameter.

    • Honglie Ning
    • Omar Mehio
    • David Hsieh
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7