Momentum and time dependent electronic dynamics in the CDW compound TbTe3

ORAL

Abstract

The rare earth tritellurides RTe3 are charge-density-wave (CDW) systems in which the coupling strength can be tuned by substituting different rare earths. By using ultrashort IR pump and UV probe laser pulses, we have performed time resolved angular resolved electron photoemission spectroscopy (trARPES) on TbTe3 and have observed the time-resolved closing of the CDW gap in the electronic band structure. To our knowledge, this is the first time-resolved study showing momentum dependent charge dynamics. We will also talk about other results on RTe3 compounds.

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Authors

  • Felix Schmitt

    • Department of Applied Physics, Stanford University, Stanford, CA 94305

  • Patrick Kirchmann

    • Department of Physics, Freie Universitaet Berlin, Germany

  • Laurenz Rettig

    • Department of Physics, Freie Universitaet Berlin, Germany

  • Marcel Krenz

    • Department of Physics, Freie Universitaet Berlin, Germany

  • Nancy Ru

    • Department of Applied Physics, Stanford University, Stanford, CA 94305

  • Jun-Haw Chu

    • Department of Applied Physics, Stanford University, Stanford, CA 94305

  • Rob Moore

    • Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, CA 94305

  • Uwe Bovensiepen

    • Department of Physics, Freie Universitaet Berlin, Germany

  • Martin Wolf

    • Department of Physics, Freie Universitaet Berlin, Germany

  • Ian Fisher

    • Department of Applied Physics, Stanford University, Stanford, CA 94305

  • Zhi-Xun Shen

    • Department of Applied Physics and Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford, CA 94305