Abstract
A simple model of the crystals, the anharmonic linear chain with nearest neighbour interaction will be investigated briefly in the first order of the self-consistent phonon field theory (SCPT). In this case we can obtain a simple explicit solution which helps to clarify some aspects of the SCPT and the phenomenon of the lattice instability.
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Dedicated to Prof. I. Tarján on his 70th birthday.
Address: H-1525 Budapest, POB 49, Hungary.
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Siklós, T. The anharmonic linear chain. Acta Physica 53, 89–104 (1982). https://doi.org/10.1007/BF03156181
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DOI: https://doi.org/10.1007/BF03156181