DMRG Investigation of Stripe Formation in Doped Hubbard Ladders

  • Georg Hager
  • Gerhard Wellein
  • Eric Jeckelmann
  • Holger Fehske
Conference paper


Using a parallelized density matrix renormalization group (DMRG) code we demonstrate the potential of the DMRG method by calculating ground-state properties of two-dimensional Hubbard models. For 7 × 6, 11 × 6 and 14 × 6 Hubbard ladders with doped holes and cylindrical boundary conditions (BC), open in x-direction and periodic in the 6-leg y-direction, we comment on recent conjectures about the appearance of stripe-like features in the hole and spin densities. In addition we present results for the half-filled 4 ×4 system with periodic BC, advance to the 6 × 6 case and pinpoint the limits of the current approach.


Fundamental Physic Density Matrix Renormalization Group Cylindrical Boundary Condition Density Matrix Renormalization Group Method Heavy Quark System 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Georg Hager
    • 1
  • Gerhard Wellein
    • 1
  • Eric Jeckelmann
    • 2
  • Holger Fehske
    • 3
  1. 1.Regionales Rechenzentrum Erlangen (RRZE)ErlangenGermany
  2. 2.Institut für Physik, KOMET 337Johannes Gutenberg-Universität MainzMainzGermany
  3. 3.Institut für PhysikErnst-Moritz-Arndt-Universität GreifswaldGreifswaldGermany

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