Asymptotic Theory of Self-Trapping of Heat Pulses in Solids
- 19 October 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 25 (16) , 1108-1111
- https://doi.org/10.1103/physrevlett.25.1108
Abstract
Using an asymptotic analysis leading to a modified Korteweg-de Vries equation and a nonlinear parabolic equation, it is shown that under certain conditions on phonon dispersion and lattice anharmonicity, self-trapping of heat pulses occurs in solids at low temperatures.Keywords
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