Physical Review Letters · 1970 · 123 citations · 15 references
Natural SciencesPhysicsCondensed Matter PhysicsSolid State PhysicsThermodynamicsDissipative SystemsElectron-phonon InteractionsHeat Transfer In SolidsLattice DynamicsThermal Properties Of MaterialsAnharmonic Effects In SolidsAnharmonic PhononsAnharmonicityAsymptotic AnalysisAsymptotic TheoryKorteweg - De Vries EquationPhonon Dispersion RelationsPhonon Dynamics
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.
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Self-Focusing of Optical Beams
Paul Kelley · Physical Review Letters · 1965 · 1.2K citations
Natural Sciences, Physics, Optics +11