Electron correlation effects in the presence of non-symmetry dictated nodes

Details Electron correlation effects in the presence of non-symmetry dictated nodes Electron correlation effects in the presence of non-symmetry dictated nodes

2001-05-09

arxiv.org/abs/cond-mat/0105196v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

We discuss possibilities of experimental verification

Scientific paper

We numerically study the effect of non-symmetry-dictated-nodes (NSDN) on electron correlation effects for spinless electrons. We find that repulsive interaction between electrons can enhance the overlap between nearest neighbors in the tight binding Hamiltonian, in the presence of NSDN. Normally, in the absence of NSDN, attractive interaction between electrons give such an effect and repulsive interaction gives opposite effect.

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