Geodesic
Soliton excitations in the model of a~large-radius polaron
Teoretičeskaâ i matematičeskaâ fizika, Tome 35 (1978) no. 2, pp. 240-246

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The interaction between an electron and longitudinal optical pho'nons in a one-dimensional polar crystal is investigated. A nonlinear Schrödinger equation having a soliton solution is obtained for the electron wave function. 
@article{TMF_1978_35_2_a9,
     author = {V. K. Fedyanin and V. Yu. Yushankhai},
     title = {Soliton excitations in the model of a~large-radius polaron},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {240--246},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1978_35_2_a9/}
}
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V. K. Fedyanin; V. Yu. Yushankhai. Soliton excitations in the model of a~large-radius polaron. Teoretičeskaâ i matematičeskaâ fizika, Tome 35 (1978) no. 2, pp. 240-246. http://geodesic.mathdoc.fr/item/TMF_1978_35_2_a9/