The Bethe Ansatz
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\[ H_{Hub} = -t \sum_{j,\sigma} (c^{\dagger}_{j\sigma} c_{j+1 \sigma} + \mbox{h.c.}) + U \sum_j n_{\uparrow} n_{\downarrow} \]

Created: 2024-01-18 Thu 14:24
\[ H_{Hub} = -t \sum_{j,\sigma} (c^{\dagger}_{j\sigma} c_{j+1 \sigma} + \mbox{h.c.}) + U \sum_j n_{\uparrow} n_{\downarrow} \]
Created: 2024-01-18 Thu 14:24