The effects of a long range electronic potential on a one dimensional commensurate Charge Density Wave (CDW) state are investigated. Using numerical techniques it is shown that a transition to a metallic ground state is reached as the range of the electron-electron repulsion increases. In this metallic state, the optical conductivity exhibits a large Drude weight. Possible interpretations of our results are discussed.
@article{arxiv.cond-mat/9704170,
title = {Insulator-Metal Transition in One Dimension Induced by Long-Range Electronic Interactions},
author = {D. Poilblanc and S. Yunoki and S. Maekawa and E. Dagotto},
journal= {arXiv preprint arXiv:cond-mat/9704170},
year = {2009}
}
Comments
5 pages, Revtex, minor misprints corrected and a reference to earlier work by V. Emery and C. Noguera added