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Название: Properties of an Exact Crystalline Many-Body Ground State
Автор: Forrester P.J.
Journal of Statistical Physics Vol. 76, Nos. 1/2, 1994. p. 331-346.
A new quantum many-body Hamiltonian is introduced, for which the exact ground state is a Jastrow-type product. This Hamiltonian is interpreted as a one-component |x|-potential Coulomb system in free boundary conditions, and
by explicit calculation it is shown that the ground state is crystalline. The general n-body density matrix is calculated, and is related to the n-body density matrix calculated in periodic boundary conditions.