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Volumn 37, Issue 4, 2016, Pages 448-459

Shift-and-invert parallel spectral transformation eigensolver: Massively parallel performance for density-functional based tight-binding

Author keywords

generalized eigenvalue problem; semi empirical methods; sparse matrices; spectrum slicing; tight binding DFT

Indexed keywords

BINS; CARBON; HAMILTONIANS; MATRIX ALGEBRA; NANOTUBES; PARALLEL ARCHITECTURES; SINGLE-WALLED CARBON NANOTUBES (SWCN); SWITCHING SYSTEMS; YARN;

EID: 84953837379     PISSN: 01928651     EISSN: 1096987X     Source Type: Journal    
DOI: 10.1002/jcc.24254     Document Type: Article
Times cited : (23)

References (80)
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    • The vacuum space applied for the nanowire examples was not large enough to prevent interactions with images. Please see the Supporting Information for more details.
    • The vacuum space applied for the nanowire examples was not large enough to prevent interactions with images. Please see the Supporting Information for more details.
  • 49
    • 84953842827 scopus 로고    scopus 로고
    • For our examples, carbon atoms have 4 valence electrons and 4 orbitals/atom so one-half of the orbitals are doubly occupied, but, for an example for water clusters, two-thirds of the orbitals are doubly occupied.
    • For our examples, carbon atoms have 4 valence electrons and 4 orbitals/atom so one-half of the orbitals are doubly occupied, but, for an example for water clusters, two-thirds of the orbitals are doubly occupied.
  • 58
    • 84953842830 scopus 로고    scopus 로고
    • A numerical factorization for the BDC64000 example cannot be performed on one core due to memory limitations.
    • A numerical factorization for the BDC64000 example cannot be performed on one core due to memory limitations.
  • 64
    • 84901264139 scopus 로고    scopus 로고
    • In; Wyrzykowski, R. Dongarra, J. Karczewski, K. Was̈niewski, J. Eds.; Lecture Notes in Computer Science; Springer Berlin Heidelberg
    • Gutheil, I.,;, Münchhalfen, J.,;, Grotendorst, J., In Parallel Processing and Applied Mathematics SE-3;, Wyrzykowski, R., Dongarra, J., Karczewski, K., Was̈niewski, J., Eds.; Lecture Notes in Computer Science; Springer Berlin Heidelberg, 2014; pp 26-35.
    • (2014) Parallel Processing and Applied Mathematics SE - 3 , pp. 26-35
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  • 66
    • 84953842831 scopus 로고    scopus 로고
    • Due to the large computational cost of loading matrices into Elemental, we couldn't perform calculations with more than 32,000 basis functions.
    • Due to the large computational cost of loading matrices into Elemental, we couldn't perform calculations with more than 32,000 basis functions.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.