• MøllerPlesset perturbation theory (MP) is one of several quantum chemistry post-Hartree–Fock ab initio methods in the field of computational chemistry...
    23 KB (2,899 words) - 22:23, 9 March 2025
  • Frontier molecular orbital theory Ligand field theory (MO theory for transition metal complexes) MøllerPlesset perturbation theory Quantum chemistry computer...
    28 KB (3,688 words) - 16:56, 11 May 2025
  • perturbation theory works with the complete Hamiltonian from the very beginning and never specifies a perturbation operator as such. MøllerPlesset perturbation...
    22 KB (2,959 words) - 13:12, 29 January 2025
  • Reptation theory — Polymer field theoryMøllerPlesset perturbation theory — density functional theory — Frontier molecular orbital theory — Polyhedral...
    38 KB (4,341 words) - 16:45, 7 April 2025
  • Thumbnail for Christian Møller
    gravitation and quantum chemistry. He is known for MøllerPlesset perturbation theory and Møller scattering. His suggestion in 1938 to Otto Frisch that...
    7 KB (429 words) - 17:58, 5 May 2025
  • wave function. One of these approaches, MøllerPlesset perturbation theory, treats correlation as a perturbation of the Fock operator. Others expand the...
    31 KB (4,739 words) - 17:07, 14 April 2025
  • is MPEG-4 Part 14, a file format. MP4 may also refer to: MøllerPlesset perturbation theory of the fourth order in computational chemistry Mario Party...
    665 bytes (137 words) - 17:50, 18 June 2024
  • electron-hole pairs) and the Sternheimer equation (density-functional perturbation theory). Hohenberg, P.; Kohn, W. (1964). "Inhomogeneous Electron Gas". Physical...
    16 KB (2,496 words) - 01:51, 25 February 2025
  • Görling–Levy perturbation theory (GLPT) in Kohn–Sham (KS) density functional theory (DFT) is the analogue to what MøllerPlesset perturbation theory (MPPT)...
    11 KB (1,454 words) - 21:07, 23 April 2025
  • In chemistry, valence bond (VB) theory is one of the two basic theories, along with molecular orbital (MO) theory, that were developed to use the methods...
    15 KB (1,887 words) - 16:20, 15 March 2025
  • In solid-state physics, the k·p perturbation theory is an approximated semi-empirical approach for calculating the band structure (particularly effective...
    12 KB (1,975 words) - 08:09, 19 December 2024
  • according to the level of truncation. MøllerPlesset perturbation theory (MP2, MP3, MP4, etc.) Perturbation theory gives correlated energies, but no new...
    12 KB (1,541 words) - 09:50, 28 February 2024
  • Thumbnail for Milton S. Plesset
    of Engineering. He with Christian Møller are known for the MøllerPlesset perturbation theory. The Rayleigh–Plesset equation describing the dynamics of...
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  • a region of free space that has been divided into a lattice. k·p perturbation theory is a technique that allows a band structure to be approximately described...
    37 KB (4,835 words) - 02:03, 12 May 2025
  • density contributes a term in the gradient of the density. In a perturbation theory approach the direct correlation function is given by the sum of the...
    80 KB (10,626 words) - 22:19, 9 May 2025
  • (CC) Multi-configuration time-dependent Hartree (MCTDH,) MøllerPlesset perturbation theory (MP2, MP3, MP4, etc.) Quadratic configuration interaction...
    9 KB (947 words) - 19:39, 23 April 2025
  • Hartree–Fock, MøllerPlesset perturbation theory (including its explicitly correlated linear R12 versions), and density functional theory. Free and open-source...
    4 KB (185 words) - 03:48, 5 October 2023
  • pistol MP 2, an abbreviation for a zone during the Paleocene MøllerPlesset perturbation theory of the second order, a method in the field of computational...
    911 bytes (157 words) - 20:09, 24 August 2024
  • Hartree–Fock theory, multireference configuration interaction, finite-order MøllerPlesset perturbation theory, and coupled cluster theory.[citation needed]...
    5 KB (513 words) - 15:01, 14 September 2022
  • printing very finely as an anti-counterfeiting mechanism MøllerPlesset perturbation theory, a post-Hartree–Fock method used in computational chemistry...
    8 KB (974 words) - 01:13, 13 April 2025
  • Thumbnail for Excited state
    Excited states are often calculated using coupled cluster, MøllerPlesset perturbation theory, multi-configurational self-consistent field, configuration...
    9 KB (955 words) - 19:37, 16 April 2025
  • post-Hartree–Fock methods, particularly MøllerPlesset perturbation theory to second order (MP2) and density functional theory (DFT). List of quantum chemistry...
    2 KB (231 words) - 23:16, 20 January 2024
  •  Čížek used the correlation function of MET and used Goldstone-type perturbation theory to get the energy expression, while original MET was completely variational...
    28 KB (4,353 words) - 02:08, 11 December 2024
  • referred to also as electronic correlation. MøllerPlesset perturbation theory (MPn) and coupled cluster theory (CC) are examples of these post-Hartree–Fock...
    21 KB (2,538 words) - 22:01, 26 January 2025
  • Hartree–Fock theory, where the wavefunction is a single determinant, and all those methods which use Hartree–Fock theory as a reference such as MøllerPlesset perturbation...
    7 KB (1,278 words) - 23:35, 7 May 2025
  • Vienna Ab initio Simulation Package (category Density functional theory software)
    Grüneis, A.; Paier, J.; Kresse, G. (2009). "Second-order Mo̸llerPlesset perturbation theory applied to extended systems. I. Within the projector-augmented-wave...
    7 KB (656 words) - 13:02, 15 May 2025
  • Hartree–Fock method Semi-empirical quantum chemistry methods MøllerPlesset perturbation theory Configuration interaction Coupled cluster Multi-configurational...
    6 KB (841 words) - 15:33, 16 March 2025
  • 1063/1.475715. Mayer, I.; Valiron, P. (1998). "Second order MøllerPlesset perturbation theory without basis set superposition error". J. Chem. Phys. 109...
    6 KB (676 words) - 09:01, 15 August 2023
  • the well-known second-order MøllerPlesset perturbation theory to multireference complete active space cases. The theory is directly integrated into many...
    18 KB (3,299 words) - 01:30, 1 October 2024
  • are readily applicable to unrestricted MøllerPlesset perturbation theory. Although many density functional theory (DFT) codes simply calculate spin-contamination...
    20 KB (2,825 words) - 10:20, 19 March 2025