Hole-doped Hubbard ladders

6533b837fe1ef96bd12a28eb

RESEARCH PRODUCT

Hole-doped Hubbard ladders

Georg Hager Gerhard Wellein Eric Jeckelmann Holger Fehske

subject

Physics Density matrix Strongly Correlated Electrons (cond-mat.str-el)Hubbard model Condensed matter physics Doping FOS: Physical sciences Condensed Matter Physics Electronic Optical and Magnetic Materials Condensed Matter - Strongly Correlated Electrons Amplitude Charge-carrier density Condensed Matter::Superconductivity Quantum mechanics Modulation (music)Condensed Matter::Strongly Correlated Electrons Boundary value problem Electrical and Electronic Engineering Ground state

description

The formation of stripes in six-leg Hubbard ladders with cylindrical boundary conditions is investigated for two different hole dopings, where the amplitude of the hole density modulation is determined in the limits of vanishing DMRG truncation errors and infinitely long ladders. The results give strong evidence that stripes exist in the ground state of these systems for strong but not for weak Hubbard couplings. The doping dependence of these findings is analysed.

year	journal	country	edition	language
2005-05-27	Physica B: Condensed Matter

https://doi.org/10.1016/j.physb.2006.01.136

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