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Quantum Adiabatic Pumping in Rashba- Dresselhaus-Aharonov-Bohm Interferometer
http://hdl.handle.net/2241/0002001573
http://hdl.handle.net/2241/0002001573ac119824-e196-4a8b-bea4-ea461d738d7d
名前 / ファイル | ライセンス | アクション |
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Entropy_21-9.pdf (1.1 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2021-10-12 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Quantum Adiabatic Pumping in Rashba- Dresselhaus-Aharonov-Bohm Interferometer | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
都倉, 康弘
× 都倉, 康弘 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We investigate the quantum adiabatic pumping effect in an interferometer attached to two one-dimensional leads. The interferometer is subjected to an Aharonov-Bohm flux and Rashba-Dresselhaus spin-orbit interaction. Using Brouwer’s formula and rigorous scattering eigenstates, we obtained the general closed formula for the pumping Berry curvatures depending on spin for general interferometers when the external control parameters only modulate the scattering eigenstates and corresponding eigenvalues. In this situation, pumping effect is absent in the combination of the control parameters of Aharonov-Bohm flux and spin-orbit interaction strength. We have shown that finite pumping is possible by modulating both Rashba and Dresselhaus interaction strengths and explicitly demonstrated the spin-pumping effect in a diamond-shaped interferometer made of four sites. | |||||
言語 | en | |||||
書誌情報 |
en : Entropy 巻 21, 号 9, p. 828, 発行日 2019-08 |
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ISSN | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 1099-4300 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.3390/e21090828 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2019 by the author. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | MDPI |