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- Coupled_cluster abstract "Coupled cluster (CC) is a numerical technique used for describing many-body systems. Its most common use is as one of several post-Hartree–Fock ab initio quantum chemistry methods in the field of computational chemistry. It essentially takes the basic Hartree–Fock molecular orbital method and constructs multi-electron wavefunctions using the exponential cluster operator to account for electron correlation. Some of the most accurate calculations for small to medium-sized molecules use this method.The method was initially developed by Fritz Coester and Hermann Kümmel in the 1950s for studying nuclear physics phenomena, but became more frequently used when in 1966 Jiři Čížek (and later together with Josef Paldus) reformulated the method for electron correlation in atoms and molecules. It is now one of the most prevalent methods in quantum chemistry that includes electronic correlation.CC theory is simply the perturbative variant of the Many Electron Theory (MET) of Oktay Sinanoğlu, which is the exact (and variational) solution of the many electron problem, so it was also called \"Coupled Pair MET (CPMET)\". J. Čížek used the correlation function of MET and used Goldstone type perturbation theory to get the energy expression while original MET was completely variational. Čížek first developed the Linear-CPMET and then generalized it to full CPMET in the same paper in 1966. He then also performed an application of it on benzene molecule with O. Sinanoğlu in the same year. Because MET is somewhat difficult to perform computationally, CC is simpler and thus, in today's computational chemistry, CC is the best variant of MET and gives highly accurate results in comparison to experiments.".
- Coupled_cluster wikiPageID "429789".
- Coupled_cluster wikiPageLength "27216".
- Coupled_cluster wikiPageOutDegree "68".
- Coupled_cluster wikiPageRevisionID "696419710".
- Coupled_cluster wikiPageWikiLink ACES_(computational_chemistry).
- Coupled_cluster wikiPageWikiLink Ab_initio_quantum_chemistry_methods.
- Coupled_cluster wikiPageWikiLink Ansatz.
- Coupled_cluster wikiPageWikiLink Atom.
- Coupled_cluster wikiPageWikiLink Baker–Campbell–Hausdorff_formula.
- Coupled_cluster wikiPageWikiLink Basis_set_(chemistry).
- Coupled_cluster wikiPageWikiLink Borel_functional_calculus.
- Coupled_cluster wikiPageWikiLink Born–Oppenheimer_approximation.
- Coupled_cluster wikiPageWikiLink Brueckner_orbitals.
- Coupled_cluster wikiPageWikiLink Category:Electronic_structure_methods.
- Coupled_cluster wikiPageWikiLink Category:Post-Hartree–Fock_methods.
- Coupled_cluster wikiPageWikiLink Category:Quantum_chemistry.
- Coupled_cluster wikiPageWikiLink Computational_chemistry.
- Coupled_cluster wikiPageWikiLink Configuration_interaction.
- Coupled_cluster wikiPageWikiLink Creation_and_annihilation_operators.
- Coupled_cluster wikiPageWikiLink DIIS.
- Coupled_cluster wikiPageWikiLink Diradical.
- Coupled_cluster wikiPageWikiLink Electronic_correlation.
- Coupled_cluster wikiPageWikiLink Equation-of-motion_coupled_cluster.
- Coupled_cluster wikiPageWikiLink Excited_state.
- Coupled_cluster wikiPageWikiLink Fock_space.
- Coupled_cluster wikiPageWikiLink Franck–Condon_principle.
- Coupled_cluster wikiPageWikiLink Fritz_Coester.
- Coupled_cluster wikiPageWikiLink GAMESS_(US).
- Coupled_cluster wikiPageWikiLink Hartree–Fock_method.
- Coupled_cluster wikiPageWikiLink Herman_Kummel.
- Coupled_cluster wikiPageWikiLink Hilbert_space.
- Coupled_cluster wikiPageWikiLink Intensive_and_extensive_properties.
- Coupled_cluster wikiPageWikiLink Jacobi_method.
- Coupled_cluster wikiPageWikiLink Jiri_Cizek.
- Coupled_cluster wikiPageWikiLink Josef_Paldus.
- Coupled_cluster wikiPageWikiLink Kato_cusp.
- Coupled_cluster wikiPageWikiLink Linear_response_coupled-cluster.
- Coupled_cluster wikiPageWikiLink List_of_quantum_chemistry_and_solid-state_physics_software.
- Coupled_cluster wikiPageWikiLink Many-body_problem.
- Coupled_cluster wikiPageWikiLink Molecular_Hamiltonian.
- Coupled_cluster wikiPageWikiLink Molecular_orbital.
- Coupled_cluster wikiPageWikiLink Molecule.
- Coupled_cluster wikiPageWikiLink Multi-configurational_self-consistent_field.
- Coupled_cluster wikiPageWikiLink Multi-reference.
- Coupled_cluster wikiPageWikiLink Møller–Plesset_perturbation_theory.
- Coupled_cluster wikiPageWikiLink NWChem.
- Coupled_cluster wikiPageWikiLink Nonlinear_system.
- Coupled_cluster wikiPageWikiLink Normal_order.
- Coupled_cluster wikiPageWikiLink Nuclear_physics.
- Coupled_cluster wikiPageWikiLink Oktay_Sinanoğlu.
- Coupled_cluster wikiPageWikiLink Perturbation_theory.
- Coupled_cluster wikiPageWikiLink Post-Hartree–Fock.
- Coupled_cluster wikiPageWikiLink Quantum_chemistry.
- Coupled_cluster wikiPageWikiLink Schrödinger_equation.
- Coupled_cluster wikiPageWikiLink Second_quantization.
- Coupled_cluster wikiPageWikiLink Single-reference.
- Coupled_cluster wikiPageWikiLink Size_consistency_and_size_extensivity.
- Coupled_cluster wikiPageWikiLink Slater_determinant.
- Coupled_cluster wikiPageWikiLink State-selective_coupled_cluster.
- Coupled_cluster wikiPageWikiLink State-universal_coupled_cluster.
- Coupled_cluster wikiPageWikiLink Taylor_series.
- Coupled_cluster wikiPageWikiLink Valence-universal_coupled_cluster.
- Coupled_cluster wikiPageWikiLink Valence-universal_multi-reference_coupled_cluster.
- Coupled_cluster wikiPageWikiLink Valence_bond_theory.
- Coupled_cluster wikiPageWikiLink Variational_principle.
- Coupled_cluster wikiPageWikiLinkText "CC methods".
- Coupled_cluster wikiPageWikiLinkText "CC".
- Coupled_cluster wikiPageWikiLinkText "CC2".
- Coupled_cluster wikiPageWikiLinkText "CCD".
- Coupled_cluster wikiPageWikiLinkText "CCSD".
- Coupled_cluster wikiPageWikiLinkText "CCSD(T)".
- Coupled_cluster wikiPageWikiLinkText "Coupled cluster".
- Coupled_cluster wikiPageWikiLinkText "coupled cluster theory".
- Coupled_cluster wikiPageWikiLinkText "coupled cluster".
- Coupled_cluster wikiPageWikiLinkText "coupled-cluster approach".
- Coupled_cluster wikiPageWikiLinkText "coupled-cluster calculations".
- Coupled_cluster wikiPageWikiLinkText "coupled-cluster theory".
- Coupled_cluster wikiPageWikiLinkText "single-reference coupled cluster".
- Coupled_cluster wikiPageUsesTemplate Template:Electronic_structure_methods.
- Coupled_cluster wikiPageUsesTemplate Template:Reflist.
- Coupled_cluster subject Category:Electronic_structure_methods.
- Coupled_cluster subject Category:Post-Hartree–Fock_methods.
- Coupled_cluster subject Category:Quantum_chemistry.
- Coupled_cluster hypernym Technique.
- Coupled_cluster type TopicalConcept.
- Coupled_cluster comment "Coupled cluster (CC) is a numerical technique used for describing many-body systems. Its most common use is as one of several post-Hartree–Fock ab initio quantum chemistry methods in the field of computational chemistry. It essentially takes the basic Hartree–Fock molecular orbital method and constructs multi-electron wavefunctions using the exponential cluster operator to account for electron correlation.".
- Coupled_cluster label "Coupled cluster".
- Coupled_cluster sameAs Q1117940.
- Coupled_cluster sameAs Méthode_du_cluster_couplé.
- Coupled_cluster sameAs Metodo_Coupled_Cluster.
- Coupled_cluster sameAs 結合クラスター法.
- Coupled_cluster sameAs m.027jny.
- Coupled_cluster sameAs Q1117940.
- Coupled_cluster sameAs 耦合簇方法.
- Coupled_cluster wasDerivedFrom Coupled_cluster?oldid=696419710.
- Coupled_cluster isPrimaryTopicOf Coupled_cluster.