|Jun16-06, 03:22 PM||#1|
1-D Hubbard Chain(N=8), ground state energy
I am trying to track down some exact diagonalization results (specifically, ground state energies...just trying to check the ED code) for 1-D Hubbard chains with nearest neighbor hopping and weak coupling (no chemical potential). (t=1, U=0, 4-8 sites, half-filling)
Also, any suggestions on how to reduce the Hilbert space (besides working in the Sz=0 sub-space) would be appreciated.
Point me to a good reference and I will be thankful.
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