99-340 Oscar Bolina, Pierluigi Contucci, Bruno Nachtergaele, Shannon Starr
A continuum approximation for the excitations of the (1,1,...,1) interface in the quantum Heisenberg model (28K, Latex) Sep 14, 99
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Abstract. It is shown that, with an appropriate scaling, the energy of low-lying excitations of the (1,1,...,1) interface in the d-dimensional quantum Heisenberg model are given by the spectrum of the d-1-dimensional Laplacian on an suitable domain.

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