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cond-mat.str-el2012★ 44 cited
The even-odd effect in short antiferromagnetic Heisenberg chains
A. Machens, N. P. Konstantinidis, O. Waldmann +2
Motivated by recent experiments on chemically synthesized magnetic molecular chains we investigate the lowest lying energy band of short spin- antiferromagnetic Heisenberg chain…
cond-mat.str-el2012★ 11 cited
Low-energy local density of states of the 1D Hubbard model
Stefan A. Soeffing, Imke Schneider, Sebastian Eggert
We examine the local density of states (DOS) at low energies numerically and analytically for the Hubbard model in one dimension. The eigenstates represent separate spin and charge…