1.2k citations · 4.8k across the 89 of their papers we have counts for
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math-ph1998★ 40 cited
Effective Hamiltonians and Phase Diagrams for Tight-Binding Models
Nilanjana Datta, Roberto Fernandez, Juerg Froehlich
We present rigorous results for several variants of the Hubbard model in the strong-coupling regime. We establish a mathematically controlled perturbation expansion which shows how…
math-ph1998★ 4 cited
Rigidity of interfaces in the Falicov-Kimball model
Nilanjana Datta, Alain Messager, Bruno Nachtergaele
We analyze the thermodynamic properties of interfaces in the three-dimensional Falicov Kimball model, which can be viewed as a primitive quantum lattice model of crystalline matter…