Plasmon-polariton modes on a single electron wave packet; Physical Review D; Vol. 111, iss. 3
| Parent link: | Physical Review D.— .— New York: American Physical Society Vol. 111, iss. 3.— 2025.— Article number 036028, 19 p. |
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| Özet: | The explicit expression for the photon polarization operator in the presence of a single electron is found in the 𝑖𝑛 −𝑖𝑛 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 |
| Dil: | İngilizce |
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2025
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| Online Erişim: | https://doi.org/10.1103/PhysRevD.111.036028 |
| Materyal Türü: | Elektronik Kitap Bölümü |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=680329 |