Real Space Visualization of Mott Gap and Magnon Excitations

ORAL

Abstract

Real-space and time information plays a significant role in understanding inhomogeneous physical and chemical processes at the nano-scale. Experimentally, inelastic light scattering promises to become an important tool for characterizing the spatio-temporal properties of complex systems. To demonstrate the power of this technique, we perform a theoretical study of real-space charge and spin density response functions in the Hubbard model to track time-dependent Mott gap and magnon excitations. Carrier doping is found to affect the evolution of the charge and spin response with distinct timescales and real-space patterns appearing for n- or p-type materials.

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Authors

  • Yao Wang

    • Department of Applied Physics, Stanford University
    • SLAC \& Stanford

  • Chunjing Jia

    • Stanford University/SLAC
    • Department of Applied Physics, Stanford University
    • SLAC \& Stanford

  • Brian Moritz

    • SLAC National Accelerator Laboratory
    • SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences
    • SLAC \& Stanford

  • Tom Devereaux

    • SLAC National Accelerator Laboratory, Stanford Institute for Materials and Energy Sciences
    • SLAC \& Stanford
    • Stanford Institute for Materials and Energy Sciences
    • Stanford Institute for Materials and Energy Science
    • SLAC National Accelerator Laboratory
    • Stanford University and SLAC