Observation of Cluster Waves and Their Lifetime
- 4 August 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 35 (5) , 296-299
- https://doi.org/10.1103/physrevlett.35.296
Abstract
Using the molecular-dynamics technique we have studied a linear chain with quartic anharmonicity. Particular solutions of the equation of motion, representing clusters (domains), are shown to be relevant for a statistical description of the dynamics. A new excitation branch and the associated central-peak phenomenon are traced back to traveling cluster waves and their lifetime.Keywords
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