Kirkwood–Salsburg equation for a quantum lattice system of oscillators with many-particle interaction potentials |
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Authors: | W I Skrypnyk |
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Institution: | 1.Institute of Mathematics,Ukrainian National Academy of Sciences,Kyiv,Ukraine |
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Abstract: | For a Gibbs system of one-dimensional quantum oscillators on a d-dimensional hypercubic lattice interacting via superstable pair and many-particle potentials of finite range, we prove the
existence of a solution of the (lattice) Kirkwood–Salsburg equation for correlation functions depending on the Wiener paths.
Some many-particle potentials may be nonpositive. |
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Keywords: | |
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