Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor

We report the calculation results of the effect of screening on weakly coupling Fröhlich polaron binding energy of the ground state and polaron contribution to the mass for the lowest spin-down subband of the conduc-tion band in a diluted magnetic semiconductor nanotube. The expressions for the ener...

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Опубліковано в: :Физика низких температур
Дата:2013
Автор: Seyid-Rzayeva, S.M.
Формат: Стаття
Мова:Англійська
Опубліковано: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2013
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Онлайн доступ:https://nasplib.isofts.kiev.ua/handle/123456789/118467
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Цитувати:Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor / S.M. Seyid-Rzayeva // Физика низких температур. — 2013. — Т. 39, № 6. — С. 642–648. — Бібліогр.: 29 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Seyid-Rzayeva, S.M.
author_facet Seyid-Rzayeva, S.M.
citation_txt Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor / S.M. Seyid-Rzayeva // Физика низких температур. — 2013. — Т. 39, № 6. — С. 642–648. — Бібліогр.: 29 назв. — англ.
collection DSpace DC
container_title Физика низких температур
description We report the calculation results of the effect of screening on weakly coupling Fröhlich polaron binding energy of the ground state and polaron contribution to the mass for the lowest spin-down subband of the conduc-tion band in a diluted magnetic semiconductor nanotube. The expressions for the energy of the polaron and the polaron contribution to the effective mass was obtained as a function of the magnetic field and the radius of the nanotube, taking into account the screening effect as well as virtual transitions from the ground state with n = 0 to the size-quantized subbands with n' = 1, 2, …, 10. The performed numerical calculations demonstrate that the effect of screening decreases the polaronic binding energy and polaronic contribution to the effective mass about 35 and 25, respectively, for the value of the magnetic field equal 0.1 T. It has been established that the effect of screening reduces polaron binding energy of the ground state approximately by 30–15 and also re-duces the polaron contribution to the effective mass by 25–10 with increase of the nanotube radius in the range about 10–40 nm.
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publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
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spelling Seyid-Rzayeva, S.M.
2017-05-30T12:13:58Z
2017-05-30T12:13:58Z
2013
Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor / S.M. Seyid-Rzayeva // Физика низких температур. — 2013. — Т. 39, № 6. — С. 642–648. — Бібліогр.: 29 назв. — англ.
0132-6414
PACS: 73.20.Mf,73.63.Fg
https://nasplib.isofts.kiev.ua/handle/123456789/118467
We report the calculation results of the effect of screening on weakly coupling Fröhlich polaron binding energy of the ground state and polaron contribution to the mass for the lowest spin-down subband of the conduc-tion band in a diluted magnetic semiconductor nanotube. The expressions for the energy of the polaron and the polaron contribution to the effective mass was obtained as a function of the magnetic field and the radius of the nanotube, taking into account the screening effect as well as virtual transitions from the ground state with n = 0 to the size-quantized subbands with n' = 1, 2, …, 10. The performed numerical calculations demonstrate that the effect of screening decreases the polaronic binding energy and polaronic contribution to the effective mass about 35 and 25, respectively, for the value of the magnetic field equal 0.1 T. It has been established that the effect of screening reduces polaron binding energy of the ground state approximately by 30–15 and also re-duces the polaron contribution to the effective mass by 25–10 with increase of the nanotube radius in the range about 10–40 nm.
Author is grateful to Prof. F.M. Hashimzade for many
 useful discussions.
en
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
Физика низких температур
Свеpхпpоводимость, в том числе высокотемпеpатуpная
Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
Article
published earlier
spellingShingle Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
Seyid-Rzayeva, S.M.
Свеpхпpоводимость, в том числе высокотемпеpатуpная
title Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
title_full Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
title_fullStr Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
title_full_unstemmed Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
title_short Effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
title_sort effect of screening on the phonon–polaron states in a nanotube of diluted magnetic semiconductor
topic Свеpхпpоводимость, в том числе высокотемпеpатуpная
topic_facet Свеpхпpоводимость, в том числе высокотемпеpатуpная
url https://nasplib.isofts.kiev.ua/handle/123456789/118467
work_keys_str_mv AT seyidrzayevasm effectofscreeningonthephononpolaronstatesinananotubeofdilutedmagneticsemiconductor