Approximate scaling relation for the anharmonic electron-phonon problem
超导电性
2009-10-31 v1 强关联电子
摘要
An approximate scaling relation is found for the transition temperature to a charge-density-wave instability in the anharmonic electron-phonon problem, which maps a wide range of interaction strengths, anharmonicities, and phonon frequencies onto a common functional form. The relation employs the wave-function renormalization parameter and is valid even for systems that are not Fermi liquids.
引用
@article{arxiv.cond-mat/9906143,
title = {Approximate scaling relation for the anharmonic electron-phonon problem},
author = {J. K. Freericks and V. Zlatic and Mark Jarrell},
journal= {arXiv preprint arXiv:cond-mat/9906143},
year = {2009}
}
备注
5 pages, 6 figures, ReVTeX