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Entanglement Chern Number of the Kane–Mele Model with Ferromagnetism
http://hdl.handle.net/2241/00150610
http://hdl.handle.net/2241/001506100046c945-d1b3-4693-89ed-ee3d2d2d9e35
名前 / ファイル | ライセンス | アクション |
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JPSJ_85_043706 (639.5 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2018-02-16 | |||||
タイトル | ||||||
タイトル | Entanglement Chern Number of the Kane–Mele Model with Ferromagnetism | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Entanglement Chern Number of the Kane–Mele Model with Ferromagnetism | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Araki, Hiromu
× Araki, Hiromu× Kariyado, Toshikaze× Fukui, Takahiro× Hatsugai, Yasuhiro |
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著者別名 |
初貝, 安弘
× 初貝, 安弘 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The entanglement Chern number, the Chern number for the entanglement Hamiltonian, is used to characterize the Kane–Mele model, which is a typical model of the quantum spin Hall phase with time-reversal symmetry. We first obtain the global phase diagram of the Kane–Mele model in terms of the entanglement spin Chern number, which is defined by using a spin subspace as a subspace to be traced out in preparing the entanglement Hamiltonian. We further demonstrate the effectiveness of the entanglement Chern number without time-reversal symmetry by extending the Kane–Mele model to include the Zeeman term. The numerical results confirm that the sum of the entanglement spin Chern number is equal to the Chern number. | |||||
書誌情報 |
Journal of the Physical Society of Japan en : Journal of the Physical Society of Japan 巻 85, 号 4, p. 43706-1-4, 発行日 2016-03-24 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0031-9015 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00704814 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.7566/JPSJ.85.043706 | |||||
権利 | ||||||
権利情報 | ©2016 The Physical Society of Japan | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | The Physical Society of Japan | |||||
出版者別名 | ||||||
出版者 | 一般社団法人日本物理学会 | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | https://doi.org/10.7566/JPSJ.85.043706 |