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On the Construction of Kramers Paired Double Group Symmetry Functions
Peng, Daoling1; Ma, Jianyi2; Liu, Wenjian1
2009-08-15
Source PublicationINTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY
ISSN0020-7608
Volume109Issue:10Pages:2149-2167
AbstractRelativistic quantum chemical calculations on molecular systems can greatly be expedited by making use of the full molecular symmetry, including both double point group and time-reversal symmetry. A simple yet general scheme is proposed here to make double point group symmetry functions also form Kramers pairs such that the resulting operator matrices have the desired structure (i.e., quaternion, complex, or real). The key idea is to insert appropriate phase factors into the symmetry functions or make a Suitable unitary transformation of them. Arbitrary finite double point groups can be hand led in the same way. As for a product basis, the same symmetrization can be achieved by simple modifications of the vector coupling (Clebsch-Gordan) coefficients. This is especially of interest to, e.g., time-dependent relativistic density functional linear response theory or relativistic two-electron repulsion integral evaluations in general. Several examples are provided to illustrate the algorithm and its efficiency. (C) 2009 Wiley Periodicals, Inc. Int J Quantum Chem 109: 2149-2167, 2009
KeywordRelativistic Quantum Chemistry Double Point Group Time-reversal Symmetry Clebsch-gordan Coefficients
DOI10.1002/qua.22078
Indexed BySCI
Language英语
WOS IDWOS:000267086900010
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66918
Collection中国科学院化学研究所
Corresponding AuthorLiu, Wenjian
Affiliation1.Peking Univ, Inst Theoret & Computat Chem,Ctr Computat Sci & E, Beijing Natl Lab Mol Sci,Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China
2.Sichuan Univ, Coll Chem Engn, Chengdu 610065, Peoples R China
Recommended Citation
GB/T 7714
Peng, Daoling,Ma, Jianyi,Liu, Wenjian. On the Construction of Kramers Paired Double Group Symmetry Functions[J]. INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY,2009,109(10):2149-2167.
APA Peng, Daoling,Ma, Jianyi,&Liu, Wenjian.(2009).On the Construction of Kramers Paired Double Group Symmetry Functions.INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY,109(10),2149-2167.
MLA Peng, Daoling,et al."On the Construction of Kramers Paired Double Group Symmetry Functions".INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 109.10(2009):2149-2167.
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