Plasmon-polariton modes on a single electron wave packet; Physical Review D; Vol. 111, iss. 3

Plasmon-polariton modes on a single electron wave packet; Physical Review D; Vol. 111, iss. 3

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Parent link:Physical Review D.— .— New York: American Physical Society
Vol. 111, iss. 3.— 2025.— Article number 036028, 19 p.
Hlavní autor: Akimov L. M. Ivan Maksimovich
Další autoři: Kazinsky P. O. Petr Olegovich, Sokolov A. Aleksey
Shrnutí:The explicit expression for the photon polarization operator in the presence of a single electron is found in the 𝑖⁢𝑛 −𝑖⁢𝑛 formalism in the one-loop approximation out of the photon mass shell. This polarization operator describes the dielectric permittivity of a single electron wave packet in coherent scattering processes. The plasmons and plasmon-polaritons supported by a single electron wave packet are described. The two limiting cases are considered: the wavelength of the external electromagnetic field is much smaller than the typical scale of variations of the electron wave packet and the wavelength of the external electromagnetic field is much larger than the size of the electron wave packet. In the former case, there are eight independent plasmon-polariton modes. In the latter case, the plasmons boil down to the dynamical dipole moment attached to a point electron. Thus, in the infrared limit, the electron possesses a dynamical electric dipole moment manifesting itself in coherent scattering processes
Текстовый файл
Jazyk:angličtina
Vydáno: 2025
Témata:
труды учёных ТПУ
электронный ресурс
On-line přístup:https://doi.org/10.1103/PhysRevD.111.036028
Médium: Elektronický zdroj Kapitola
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=680329

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