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Z(2) topology in nonsymmorphic crystalline insulators: Mobius twist in surface states
http://hdl.handle.net/10091/00019024
http://hdl.handle.net/10091/00019024f1f452b6-c73c-41bc-80c9-dd7df48036be
名前 / ファイル | ライセンス | アクション |
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Z2_topology_in_nonsymmorphic_crystalline_insulators.pdf (674.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-08-19 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Z(2) topology in nonsymmorphic crystalline insulators: Mobius twist in surface states | |||||
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 | |||||
著者 |
Shiozaki, Ken
× Shiozaki, Ken× Sato, Masatoshi× Gomi, Kiyonori |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Gomi, Kiyonori | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.ZeyabFAe.html | |||||
出版者 | ||||||
出版者 | AMER PHYSICAL SOC | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | PHYSICAL REVIEW B. 91(15):155120 (2015) | |||||
書誌情報 |
PHYSICAL REVIEW B 巻 91, 号 15, p. 155120, 発行日 2015-04-15 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It has been known that an antiunitary symmetry such as time-reversal or charge conjugation is needed to realize Z(2) topological phases in noninteracting systems. Topological insulators and superconducting nanowires are representative examples of such Z(2) topological matters. Here we report the Z(2) topological phase protected by only unitary symmetries. We show that the presence of a nonsymmorphic space group symmetry opens a possibility to realize Z(2) topological phases without assuming any antiunitary symmetry. The Z(2) topological phases are constructed in various dimensions, which are closely related to each other by Hamiltonian mapping. In two and three dimensions, the Z(2) phases have a surface consistent with the nonsymmorphic space group symmetry, and thus they support topological gapless surface states. Remarkably, the surface states have a unique energy dispersion with the Mobius twist, which identifies the Z(2) phases experimentally. We also provide the relevant structure in the K theory. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1098-0121 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11187113 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevB.91.155120 | |||||
関連名称 | 10.1103/PhysRevB.91.155120 | |||||
権利 | ||||||
権利情報 | © 2015 American Physical Society | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
WoS | ||||||
表示名 | Web of Science | |||||
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