Polarization operator of phonons in quadratic approximation
Using the method of the retarded Green function the polarization operator of phonons has been calculated with the simultaneous account for the linear and quadratic terms in the Hamilton operator of exciton-phonon interaction. It is shown that at high temperatures and concentrations of excitons the q...
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| Veröffentlicht in: | Semiconductor Physics Quantum Electronics & Optoelectronics |
|---|---|
| Datum: | 2000 |
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| Format: | Artikel |
| Sprache: | Englisch |
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Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
2000
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| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/121153 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Polarization operator of phonons in quadratic approximation / N.I. Grigorchuk // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2000. — Т. 3, № 3. — С. 316-321. — Бібліогр.: 22 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862539372198363136 |
|---|---|
| author | Grigorchuk, N.I. |
| author_facet | Grigorchuk, N.I. |
| citation_txt | Polarization operator of phonons in quadratic approximation / N.I. Grigorchuk // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2000. — Т. 3, № 3. — С. 316-321. — Бібліогр.: 22 назв. — англ. |
| collection | DSpace DC |
| container_title | Semiconductor Physics Quantum Electronics & Optoelectronics |
| description | Using the method of the retarded Green function the polarization operator of phonons has been calculated with the simultaneous account for the linear and quadratic terms in the Hamilton operator of exciton-phonon interaction. It is shown that at high temperatures and concentrations of excitons the quadratic term may play as important role as linear one.
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| first_indexed | 2025-11-24T15:15:04Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-121153 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 1560-8034 |
| language | English |
| last_indexed | 2025-11-24T15:15:04Z |
| publishDate | 2000 |
| publisher | Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України |
| record_format | dspace |
| spelling | Grigorchuk, N.I. 2017-06-13T15:50:34Z 2017-06-13T15:50:34Z 2000 Polarization operator of phonons in quadratic approximation / N.I. Grigorchuk // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2000. — Т. 3, № 3. — С. 316-321. — Бібліогр.: 22 назв. — англ. 1560-8034 PACS: 63.20.Dj; 63.20.Ls; 71.35.-y; 71.35Gg; 78.20.-e. https://nasplib.isofts.kiev.ua/handle/123456789/121153 Using the method of the retarded Green function the polarization operator of phonons has been calculated with the simultaneous account for the linear and quadratic terms in the Hamilton operator of exciton-phonon interaction. It is shown that at high temperatures and concentrations of excitons the quadratic term may play as important role as linear one. It is my pleasure to thank Professor M.P. Lysytsja for many helpful and fruitful discussions. en Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України Semiconductor Physics Quantum Electronics & Optoelectronics Polarization operator of phonons in quadratic approximation Article published earlier |
| spellingShingle | Polarization operator of phonons in quadratic approximation Grigorchuk, N.I. |
| title | Polarization operator of phonons in quadratic approximation |
| title_full | Polarization operator of phonons in quadratic approximation |
| title_fullStr | Polarization operator of phonons in quadratic approximation |
| title_full_unstemmed | Polarization operator of phonons in quadratic approximation |
| title_short | Polarization operator of phonons in quadratic approximation |
| title_sort | polarization operator of phonons in quadratic approximation |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/121153 |
| work_keys_str_mv | AT grigorchukni polarizationoperatorofphononsinquadraticapproximation |