Trygve Helgaker

According to our database, Trygve Helgaker authored at least 7 papers between 1999 and 2013.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2013

Insights into the dynamics of evaporation and proton migration in protonated water clusters from large-scale born-oppenheimer direct dynamics.

Vladimir V. Rybkin, Anton O. Simakov, Vebjørn Bakken, Simen Reine, Thomas Kjærgaard, Trygve Helgaker, Einar Uggerud

J. Comput. Chem., 2013

Internal-to-cartesian back transformation of molecular geometry steps using high-order geometric derivatives.

Vladimir V. Rybkin, Ulf Ekström, Trygve Helgaker

J. Comput. Chem., 2013

Attractive electron-electron interactions within robust local fitting approximations.

Patrick Merlot, Thomas Kjærgaard, Trygve Helgaker, Roland Lindh, Francesco Aquilante, Simen Reine, Thomas Bondo Pedersen

J. Comput. Chem., 2013

2007

Electron correlation: The many-body problem at the heart of chemistry.

David P. Tew, Wim Klopper, Trygve Helgaker

J. Comput. Chem., 2007

2002

Four-component relativistic Kohn-Sham theory.

Trond Saue, Trygve Helgaker

J. Comput. Chem., 2002

Basis-set completeness profiles in two dimensions.

Alexander A. Auer, Trygve Helgaker, Wim Klopper

J. Comput. Chem., 2002

1999

Solvent effects on the NMR parameters of H2S and HCN.

Kurt V. Mikkelsen, Kenneth Ruud, Trygve Helgaker

J. Comput. Chem., 1999