File:Gutzwiller Wave Function GWF-energy-d1.jpg
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Ground-state energy for the Hubbard model with nearest-neighbor electron transfer and dispersion \(\varepsilon(k)=-2 \cos(k)\) at half band-filling as a function of the Hubbard interaction (full line). The Gutzwiller variational upper bound is shown for comparison (dashed line).
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:43, 18 November 2008 | | 453 × 319 (14 KB) | Florian Gebhard (Talk | contribs) | Ground-state energy of the single-band Hubbard model at half band-filling obtained from the Bethe-Ansatz solution. After minimization of the variational energy functional, the variational ground-state energy of the Gutzwiller wave function provides an exa |
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