Vibrations of a One-Dimensional Ionic Lattice
- 1 August 1958
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 111 (3) , 755-757
- https://doi.org/10.1103/physrev.111.755
Abstract
The singularities in the distribution of vibrational frequencies in the one-dimensional ionic lattice are studied. It is shown that presence of Coulomb forces, however weak, not only produces at least one additional singularity, but also changes the nature of one singularity qualitatively.Keywords
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