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Effect of anisotropic hopping on the Bose Hubbard model phase diagram: strong-coupling perturbation theory on a square latticeJ. K. Freericks. "Effect of anisotropic hopping on the Bose Hubbard model phase diagram: strong-coupling perturbation theory on a square lattice." Physical Review A 78 (2008): 013624-1--4. |
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