Trygve Helgaker - Concepedia

Author

Trygve Helgaker

Also Known As

By TRYGVE HELGAKER, Helgaker, Trygve, Helgaker, Trygve U., KURT V. MIKKELSEN and TRYGVE HELGAKER, T Helgaker, T. HELGAKER, T. Helgaker, TRYGVE HELGAKER, Trygve Helgaker, Trygve Helgaker *

435

Publications

36.4K

Citations

H-Index

158

Concepts

All Affiliations

University of Oslo Aarhus University KTH Royal Institute of Technology Polish Academy of Sciences University of Nottingham

About

Trygve Helgaker is an author at University of Oslo specializing in natural sciences, quantum chemistry, and engineering.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Natural Sciences	80	203	25.2K
2	Engineering	79	192	23.9K
3	Medicine	13	13	633
4	Health Sciences	1	1	76
5	Public Health	1	1	84

Trygve Helgaker

277

Publications

30.6K

Citations

H-Index

Page 1

	Year	Citations
Basis-set convergence of correlated calculations on water Trygve Helgaker, Wim Klopper, Henrik Koch, The Journal of Chemical Physics Numerical AnalysisCorrelation EnergyEngineeringTheoretical Inorganic ChemistryComputational Chemistry	1997	2.5K
Basis-set convergence in correlated calculations on Ne, N2, and H2O Asger Halkier, Trygve Helgaker, Poul Jørgensen, Chemical Physics Letters Correlated CalculationsEngineeringPhysicsNatural SciencesComputational Chemistry	1998	2.2K
The <scp>D</scp>alton quantum chemistry program system Kęstutis Aidas, Celestino Angeli, Keld L. Bak, Wiley Interdisciplinary Reviews Computational Molecular Science	2013	1.5K
Excitation energies in density functional theory: An evaluation and a diagnostic test M J Peach, Peter Benfield, Trygve Helgaker, The Journal of Chemical Physics Localized Excited StateEngineeringExcitation Energy TransferComputational ChemistryChemistry	2008	1.4K
Basis-set convergence of the energy in molecular Hartree–Fock calculations Asger Halkier, Trygve Helgaker, Poul Jørgensen, Chemical Physics Letters PhysicsNatural SciencesComputational ChemistryQuantum ChemistryMolecular Hartree–fock Calculations	1999	695
Excitation energies from the coupled cluster singles and doubles linear response function (CCSDLR). Applications to Be, CH+, CO, and H2O Henrik Koch, Hans Jørgen Aa. Jensen, Poul Jo rgensen, The Journal of Chemical Physics Response FunctionEngineeringExcitation Energy TransferComputational ChemistryChemistry	1990	578
The CC3 model: An iterative coupled cluster approach including connected triples Henrik Koch, Ove Christiansen, Poul Jo rgensen, The Journal of Chemical Physics Cluster ComputingEngineeringNetwork AnalysisComputational ChemistryEnergy Minimization	1997	508
Assessment of a Coulomb-attenuated exchange–correlation energy functional M J Peach, Trygve Helgaker, Paweł Sałek, Physical Chemistry Chemical Physics	2005	471
Density-functional theory of linear and nonlinear time-dependent molecular properties Paweł Sałek, Olav Vahtras, Trygve Helgaker, The Journal of Chemical Physics Excited State PropertyElectronic Excited StateDerivativesEngineeringNatural Sciences	2002	390
Basis set convergence of the interaction energy of hydrogen-bonded complexes Asger Halkier, Wim Klopper, Trygve Helgaker, The Journal of Chemical Physics Electronic Coulomb CuspEngineeringPhysicsInteraction EnergyCusp Dominates	1999	385

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