6533b870fe1ef96bd12cfcd6

RESEARCH PRODUCT

Comment on “Accurate ground-state phase diagram of the one-dimensional extended Hubbard model at half filling”

Eric Jeckelmann

subject

Condensed Matter::Quantum GasesPhysicsWork (thermodynamics)Strongly Correlated Electrons (cond-mat.str-el)Hubbard modelZhàngFOS: Physical sciencesBoundary (topology)Condensed Matter PhysicsElectronic Optical and Magnetic MaterialsCondensed Matter - Strongly Correlated ElectronsTheoretical physicsQuantum electrodynamicsCondensed Matter::Statistical MechanicsCondensed Matter::Strongly Correlated ElectronsGround statePhase diagram

description

In PRB 68, 153101 (2003), Guoping Zhang presented density-matrix renormalization group (DMRG) results which contradict my DMRG calculations and Hirsch's quantum Monte Carlo (QMC) simulations for the charge-density-wave (CDW) phase boundary in the one-dimensional extended Hubbard model at half filling. In this Comment I show that Zhang's results are inaccurate and that his criticism of my work is groundless.

https://doi.org/10.1103/physrevb.71.197101