Ab initio calculation of electron-phonon scattering time in germanium
| Parent link: | Physical Review B: Scientific Journal.— , 1970- Vol. 84, iss. 3.— 2011.— [035201] |
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| Other Authors: | , , , |
| Summary: | Title screen The intervalley scattering time in n-type germanium from the G valley to the L, ?, and X valleys, has been computed ab initio with a method based on the density functional perturbation theory. We demonstrate that the pressure dependence of the lifetime of the exciton limited by the electron-phonon interaction is well described. Moreover, we discuss relaxation times measured by various pump-probe experiments at low and ambient temperatures. The contributions of the various phonons to the scattering are computed. Relaxation times due to the electron-phonon coupling are provided for each intervalley transition, as well as their behavior under pressure. Режим доступа: по договору с организацией-держателем ресурса |
| Published: |
2011
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1103/PhysRevB.84.035201 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=640621 |
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| 200 | 1 | |a Ab initio calculation of electron-phonon scattering time in germanium |f V. G. Tyuterev [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 28 tit.] | ||
| 330 | |a The intervalley scattering time in n-type germanium from the G valley to the L, ?, and X valleys, has been computed ab initio with a method based on the density functional perturbation theory. We demonstrate that the pressure dependence of the lifetime of the exciton limited by the electron-phonon interaction is well described. Moreover, we discuss relaxation times measured by various pump-probe experiments at low and ambient temperatures. The contributions of the various phonons to the scattering are computed. Relaxation times due to the electron-phonon coupling are provided for each intervalley transition, as well as their behavior under pressure. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Physical Review B |o Scientific Journal |d 1970- | ||
| 463 | |t Vol. 84, iss. 3 |v [035201] |d 2011 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 701 | 1 | |a Tyuterev |b V. G. | |
| 701 | 1 | |a Obukhov |b S. V. |c physicist |c Associate Professor of Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences |f 1984- |g Sergey Vladimirovich |3 (RuTPU)RU\TPU\pers\34195 |9 17729 | |
| 701 | 1 | |a Vast |b N. | |
| 701 | 1 | |a Sjakste |b J. | |
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| 856 | 4 | |u http://dx.doi.org/10.1103/PhysRevB.84.035201 | |
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