Geodesic
Influence of electron-electron coupling on the charge of phase solitons in the Peierls-Fröhlich model
Teoretičeskaâ i matematičeskaâ fizika, Tome 78 (1989) no. 3, pp. 335-344 
A. V. Balatskii; S. I. Matveenko. Influence of electron-electron coupling on the charge of phase solitons in the Peierls-Fröhlich model. Teoretičeskaâ i matematičeskaâ fizika, Tome 78 (1989) no. 3, pp. 335-344. http://geodesic.mathdoc.fr/item/TMF_1989_78_3_a2/
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     author = {A. V. Balatskii and S. I. Matveenko},
     title = {Influence of~electron-electron coupling on~the charge of~phase solitons in~the {Peierls-Fr\"ohlich} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {335--344},
     year = {1989},
     volume = {78},
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     url = {http://geodesic.mathdoc.fr/item/TMF_1989_78_3_a2/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

Electric charge of a phase soliton is calculated in the Peierls dielectric in the presence of the electron-electron interaction. It is shown that the value of the charge is connected with the phase change of the charge density wave on the soliton $\Delta \varkappa$ by the relationship $q=\Delta \varkappa/2\pi(1+\delta)$, where $\delta$ is the constant of forward scattering.

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