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Title: Perspective: Explicitly correlated electronic structure theory for complex systems

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.4976974· OSTI ID:1473851
 [1]; ORCiD logo [2];  [3];  [4]
  1. Max Planck Inst. for Solid State Research, Stuttgart, (Germany); Technische Univ. Munchen, Garching (Germany). Dept. Chemie; Kobe Univ. (Japan). Graduate School of Science, Technology, and Innovation
  2. Univ. of Illinois, Urbana-Champaign, IL (United States). Dept. of Chemistry
  3. Kobe Univ. (Japan). Graduate School of System Informatics
  4. Kobe Univ. (Japan). Graduate School of Science, Technology, and Innovation, and Graduate School of System Informatics

The explicitly correlated approach is one of the most important breakthroughs in ab initio electronic structure theory, providing arguably the most compact, accurate, and efficient ansatz for describing the correlated motion of electrons. Since Hylleraas first used an explicitly correlated wave function for the He atom in 1929, numerous attempts have been made to tackle the significant challenges involved in constructing practical explicitly correlated methods that are applicable to larger systems. These include identifying suitable mathematical forms of a correlated wave function and an efficient evaluation of many-electron integrals. R12 theory, which employs the resolution of the identity approximation, emerged in 1985, followed by the introduction of novel correlation factors and wave function ansätze, leading to the establishment of F12 theory in the 2000s. Rapid progress in recent years has significantly extended the application range of explicitly correlated theory, offering the potential of an accurate wave-function treatment of complex systems such as photosystems and semiconductors. In conclusion, this perspective surveys explicitly correlated electronic structure theory, with an emphasis on recent stochastic and deterministic approaches that hold significant promise for applications to large and complex systems including solids.

Research Organization:
Univ. of Illinois, Urbana-Champaign, IL (United States). Dept. of Chemistry
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-11ER16211; SC0006028
OSTI ID:
1473851
Alternate ID(s):
OSTI ID: 1349358
Journal Information:
Journal of Chemical Physics, Vol. 146, Issue 8; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 51 works
Citation information provided by
Web of Science

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  • THEORY AND APPLICATIONS IN COMPUTATIONAL CHEMISTRY: THE FIRST DECADE OF THE SECOND MILLENNIUM: International Congress TACC-2012, AIP Conference Proceedings https://doi.org/10.1063/1.4730647
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Particle-particle ladder based basis-set corrections applied to atoms and molecules using coupled-cluster theory journal September 2019
Chemically accurate excitation energies with small basis sets journal October 2019
Toward a predictive theory of correlated materials journal July 2018
Curing basis-set convergence of wave-function theory using density-functional theory: A systematically improvable approach journal November 2018
Monte Carlo explicitly correlated many-body Green’s function theory journal November 2018
A new scheme for fixed node diffusion quantum Monte Carlo with pseudopotentials: Improving reproducibility and reducing the trial-wave-function bias journal October 2019
Explicitly correlated local coupled-cluster methods using pair natural orbitals journal July 2018
Particle-particle ladder based basis-set corrections applied to atoms and molecules using coupled-cluster theory text January 2019

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