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  Double crystallographic groups and their representations on the Bilbao Crystallographic Server

Elcoro, L., Bradlyn, B., Wang, Z., Vergniory, M., Cano, J., Felser, C., Bernevig, B., Orobengoa, D., de la Flor, G., & Aroyo, M. (2017). Double crystallographic groups and their representations on the Bilbao Crystallographic Server. Journal of Applied Crystallography, 50, 1457-1477.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-000E-D366-1 版のパーマリンク: https://hdl.handle.net/21.11116/0000-000E-D367-0
資料種別: 学術論文

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 作成者:
Elcoro, L., 著者
Bradlyn, B., 著者
Wang, Z., 著者
Vergniory, M.1, 著者
Cano, J., 著者
Felser, C., 著者
Bernevig, B., 著者
Orobengoa, D., 著者
de la Flor, G., 著者
Aroyo, M., 著者
所属:
1Max Planck Society, ou_persistent13              

内容説明

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キーワード: double crystallographic groups; single-valued and double-valued irreducible representations; band representations; Bilbao Crystallographic Server; computer programs
 要旨: A new section of databases and programs devoted to double crystallographic groups (point and space groups) has been implemented in the Bilbao Crystallographic Server (http://www.cryst.ehu.es). The double crystallographic groups are required in the study of physical systems whose Hamiltonian includes spin-dependent terms. In the symmetry analysis of such systems, instead of the irreducible representations of the space groups, it is necessary to consider the single- and double-valued irreducible representations of the double space groups. The new section includes databases of symmetry operations (DGENPOS) and of irreducible representations of the double (point and space) groups (REPRESENTATIONS DPG and REPRESENTATIONS DSG). The tool DCOMPREL provides compatibility relations between the irreducible representations of double space groups at different k vectors of the Brillouin zone when there is a group-subgroup relation between the corresponding little groups. The program DSITESYM implements the so-called site-symmetry approach, which establishes symmetry relations between localized and extended crystal states, using representations of the double groups. As an application of this approach, the program BANDREP calculates the band representations and the elementary band representations induced from any Wyckoff position of any of the 230 double space groups, giving information about the properties of these bands. Recently, the results of BANDREP have been extensively applied in the description of and the search for topological insulators.

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言語: eng - English
 日付: 2017
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): eDoc: 735067
ISI: 000412088300021
 学位: -

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出版物 1

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出版物名: Journal of Applied Crystallography
種別: 学術雑誌
 著者・編者:
所属:
出版社, 出版地: CHESTER : INT UNION CRYSTALLOGRAPHY
ページ: 5 巻号: 50 通巻号: - 開始・終了ページ: 1457 - 1477 識別子(ISBN, ISSN, DOIなど): ISSN: 1600-5767