Stripe formation in doped Hubbard ladders

  title={Stripe formation in doped Hubbard ladders},
  author={G. Hager and G. Wellein and E. Jeckelmann and H. Fehske},
  journal={Physical Review B},
  • G. Hager, G. Wellein, +1 author H. Fehske
  • Published 2005
  • Physics
  • Physical Review B
  • We investigate the formation of stripes in $7r\ifmmode\times\else\texttimes\fi{}6$ Hubbard ladders with $4r$ holes doped away from half filling using the density-matrix renormalization group (DMRG) method. A parallelized code allows us to keep enough density-matrix eigenstates (up to $m=8000$) and to study sufficiently large systems (with up to $7r=21$ rungs) to extrapolate the stripe amplitude to the limits of vanishing DMRG truncation error and infinitely long ladders. Our work gives strong… CONTINUE READING
    Intercell Interference Robustness Tradeoff with Loosened Covariance Shaping
    Targeting Microvasculature for Neuroprotection after SCI
    Comparison of Multiagent Learning Algorithms in Ad Hoc Teams