作者: H. Q. Lin , J. E. Hirsch
关键词: Quantum mechanics 、 Condensed matter physics 、 Hubbard model 、 k-nearest neighbors algorithm 、 Physics
摘要: … In the case of nearestneighbor hopping only, and for the half-filled band … next-nearest-neighbor hopping. Since in the tight-binding … features arise when we turn on next-nearest-neighbor …