Systems with separable many-particle interactions. II |
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| Authors: | LWJ den Ouden HW Capel JHH Perk |
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| Institution: | Instituut-Lorentz voor Theoretische Natuurkunde, Rijksuniversiteit te Leiden, Leiden, The Netherlands |
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| Abstract: | The treatment of a previous paper on systems with many-particle interactions is generalized to hamiltonians containing an analytic function of a number of short-range interaction operators V, which are normalized. An exact expression for the free energy per particle in the thermodynamic limit can be obtained from a trial hamiltonian which is linear in the operators V. |
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