--------------------------------------- report of tight-binding model --------------------------------------- k-space dimension = 1 r-space dimension = 1 number of spin components = 1 periodic directions = [0] number of orbitals = 2 number of electronic states = 2 lattice vectors: # 0 ===> [ 1.0 ] positions of orbitals: # 0 ===> [ 0.0 ] # 1 ===> [ 0.5 ] site energies: # 0 ===> 0.4 # 1 ===> -0.4 hoppings: < 0 | H | 1 + [ 0 ] > ===> -1.3 + 0.0 i < 1 | H | 0 + [ 1 ] > ===> -0.7 + 0.0 i hopping distances: | pos( 0 ) - pos( 1 + [ 0 ] ) | = 0.5 | pos( 1 ) - pos( 0 + [ 1 ] ) | = 0.5 Berry phase is 2.217 Berry phase is 2.217