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math-ph1998
Interface states of quantum spin systems
Alain Messager, Bruno Nachtergaele
We review recent results as well as ongoing work and open problems concerning interface states in quantum spin systems at zero and finite temperature.
math-ph1998
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…