Single Hole Dynamics in a 2D quantum antiferromagnet in a stripe-ordered by fluctuating background

POSTER

Abstract

We study the dynamics of a hole in a $2D$ lattice in a stripe-ordered background. Starting from $t-J$ Hamiltonian, we treat the $J$-term using the linear spin wave theory and we linearize the hole hopping in terms of spin-deviation operators. We find the dispersion relation of the eight different spin-wave modes and we solve the Dyson's equation within the non-crossing approximation for the eight hole green's functions. We investigate the hole energy bands, the spectral functions and the quasi-particle peak broadening.

Authors

  • Satyaki Kar

    • Department of Physics, FSU
    • Department of Physics, FSU \& MARTECH

  • Efstratios Manousakis

    • Department of Physics and MARTECH, Florida State University, Tallahassee, Florida, 32306, USA and Department of Physics, University of Athens, Greece
    • Florida State University, MARTECH
    • Department of Physics, FSU \& MARTECH
    • MARTECH \& Department of Physics, Florida State University and Department of Physics, University of Athens, Greece
    • Department of Physics, FSU \& MARTECH, Department of Physics, University of Athens, Greece