二体电子项在二体结构中引起的距离依赖电子-声子相互作用
凝聚态物理
2016-08-31 v1
摘要
对于由高斯形状原子波函数构成的非简并轨道二体结构，我们评估了从单体和双体电子相互作用中推导的所有电子-声子耦合，考虑准声子和极非准声子极限。不仅两者极限下的耦合参数数值不同，关键是哈密顿量中相应项的表达式也不同。 Depending on the distance between the dimer ions, some of the two-body couplings are comparable, or even larger than the one-body ones.
引用
@article{arxiv.cond-mat/0009215,
title = {Distance-depending electron-phonon interactions from one- and two-body electronic terms in a dimer},
author = {M. Acquarone and C. Noce},
journal= {arXiv preprint arXiv:cond-mat/0009215},
year = {2016}
}
备注
8 pages, 3 figures, to be published in Int. Journal of Modern Physics B