New implementation of high-level correlated methods using a general block tensor library for high-performance electronic structure calculations
This article presents an open-source object-oriented C++ library of classes and routines to perform tensor algebra. The primary purpose of the library is to enable post-Hartree-Fock electronic structure methods; however, the code is general enough to be applicable in other areas of physical and comp...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 July 2013
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| In: |
Journal of computational chemistry
Year: 2013, Jahrgang: 34, Heft: 26, Pages: 2293-2309 |
| ISSN: | 1096-987X |
| DOI: | 10.1002/jcc.23377 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1002/jcc.23377 Verlag, Volltext: http://onlinelibrary.wiley.com/doi/10.1002/jcc.23377/abstract 
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| Verfasserangaben: | Evgeny Epifanovsky, Michael Wormit, Tomasz Kuś, Arie Landau, Dmitry Zuev, Kirill Khistyaev, Prashant Manohar, Ilya Kaliman, Andreas Dreuw, and Anna I. Krylov |
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| 245 | 1 | 0 | |a New implementation of high-level correlated methods using a general block tensor library for high-performance electronic structure calculations |c Evgeny Epifanovsky, Michael Wormit, Tomasz Kuś, Arie Landau, Dmitry Zuev, Kirill Khistyaev, Prashant Manohar, Ilya Kaliman, Andreas Dreuw, and Anna I. Krylov |
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| 520 | |a This article presents an open-source object-oriented C++ library of classes and routines to perform tensor algebra. The primary purpose of the library is to enable post-Hartree-Fock electronic structure methods; however, the code is general enough to be applicable in other areas of physical and computational sciences. The library supports tensors of arbitrary order (dimensionality), size, and symmetry. Implemented data structures and algorithms operate on large tensors by splitting them into smaller blocks, storing them both in core memory and in files on disk, and applying divide-and-conquer-type parallel algorithms to perform tensor algebra. The library offers a set of general tensor symmetry algorithms and a full implementation of tensor symmetries typically found in electronic structure theory: permutational, spin, and molecular point group symmetry. The Q-Chem electronic structure software uses this library to drive coupled-cluster, equation-of-motion, and algebraic-diagrammatic construction methods. | ||
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