Missing bond-charge repulsion in the extended Hubbard model: Effects in polyacetylene
作者： S Kivelson , W-P Su , JR Schrieffer , AJ Heeger , None
DOI: 10.1103/PHYSREVLETT.58.1899
关键词: Hubbard model 、 Condensed matter physics 、 Charge (physics) 、 Polyacetylene 、 Diagonal 、 Electron density 、 Hamiltonian (quantum mechanics) 、 Operator (physics) 、 Lattice (group) 、 Physics
摘要: … usedby Su, Schrieffer, and Heeger … p(r) is a function of the continuous spatial coordinate r (and not of a discrete lattice index n), we are led to include oA-diagonal matrix elements of p(r). …
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