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Possible Occurrence of Superconductivity by the π-flux Dirac String Formation Due to Spin-Twisting Itinerant Motion of Electrons
http://hdl.handle.net/2241/0002001642
http://hdl.handle.net/2241/0002001642c542f0fe-104d-46e0-841c-4965b03f1d5b
名前 / ファイル | ライセンス | アクション |
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symmetry_12-5-776.pdf (308 KB)
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Item type | Journal Article(1) | |||||||||||
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公開日 | 2021-10-19 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Possible Occurrence of Superconductivity by the π-flux Dirac String Formation Due to Spin-Twisting Itinerant Motion of Electrons | |||||||||||
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 |
小泉, 裕康
× 小泉, 裕康
WEKO
204265
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | We show that the Rashba spin-orbit interaction causes spin-twisting itinerant motion of electrons in metals and realizes the quantized cyclotron orbits of conduction electrons without an external magnetic field. From the view point of the Berry connection, the cause of this quantization is the appearance of a non-trivial Berry connection Afic=−ℏ2e∇χ ( χ is an angular variable with period 2π ) that generates π flux (in the units of ℏ=1,e=1,c=1 ) inside the nodal singularities of the wave function (a “Dirac string”) along the centers of spin-twisting. Since it has been shown in our previous work that the collective mode of ∇χ is stabilized by the electron-pairing and generates supercurrent, the π -flux Dirac string created by the spin-twisting itinerant motion will be stabilized by the electron-pairing and produce supercurrent. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
en : Symmetry 巻 12, 号 5, p. 776, 発行日 2020-05 |
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収録物識別子タイプ | EISSN | |||||||||||
収録物識別子 | 2073-8994 | |||||||||||
DOI | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.3390/sym12050776 | |||||||||||
権利 | ||||||||||||
言語 | en | |||||||||||
権利情報 | © 2020 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/). | |||||||||||
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値 | publisher | |||||||||||
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言語 | en | |||||||||||
出版者 | MDPI |