Geodesic
Localized vibrational excitations in a system of nonlinear oscillators
Teoretičeskaâ i matematičeskaâ fizika, Tome 11 (1972) no. 3, pp. 366-376

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A localized excitation is studied in a classical system of nonlinear oscillators that have a fairly weak interaction. It is shown that the lifetime of such an excitation increases exponentially with decreasing coupling constant. 
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     author = {A. A. Ovchinnikov},
     title = {Localized vibrational excitations in a system of nonlinear oscillators},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {366--376},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1972_11_3_a9/}
}
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A. A. Ovchinnikov. Localized vibrational excitations in a system of nonlinear oscillators. Teoretičeskaâ i matematičeskaâ fizika, Tome 11 (1972) no. 3, pp. 366-376. http://geodesic.mathdoc.fr/item/TMF_1972_11_3_a9/