Electronic Correlations Near a Peierls-CDW Transition

Abstract

Results of a phenomenological Monte carlo calculation for a 2D electron-phonon Holstein model near a Peierls-CDW transition are presented. Here the zero Matsubara frequency part of the phonon action is dominant and we approximated it by a phenomenological form that as an Ising-like Peierls-CDW transition. The resulting model is studied on a 32 by 32 lattice. The single particle spectral weight A(k,ω), the density of states N(ω), and the real part of the conductivity σ_1(ω) all show evidence of a pseudogap which develops in the low-energy electronic degrees of freedom as the Peierls-CDW transition is approached

14 pages, 7 figures

References in corpus (1)

• Exact Results for the Crossover from Gaussian to Non-Gaussian Order Parameter Fluctuations in Quasi One-Dimensional Electronic Systems

Cited by in corpus (6)

• Density Fluctuation Mediated Superconductivity
• Pair Phase Fluctuations and the Pseudogap
• Phase-fluctuation induced reduction of the kinetic energy at the superconducting transition
• On Migdal's theorem and the pseudogap
• Optical Conductivity in a Two - Dimensional Model of the Pseudogap State
• Diagrammatic perturbation theory and the pseudogap