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Trygve Helgaker

15PUBLICATIONS

89CO-AUTHORS

Applied theatreTheoretical quantum chemistryMathematical aspects of general relativityThermodynamics and statistical physicsCondensed matter modelling and density functional theory

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Publications (15)

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|Dec 18, 2025

Autobiography of Trygve Helgaker.

Trygve Helgaker

|Jan 09, 2025

Cluster perturbation theory. XI. Excitation-energy series using a variational excitation-energy function.

Andreas Erbs Hillers-Bendtsen, Magnus Bukhave Johansen, Theo Juncker von Buchwald

|Dec 23, 2024

Classical Reaction Barriers in DFT: An Adiabatic-Connection Perspective.

Andrew M Wibowo-Teale, Bang C Huynh, Trygve Helgaker

|Nov 12, 2024

Non-adiabatic coupling matrix elements in a magnetic field: Geometric gauge dependence and Berry phase.

Tanner Culpitt, Erik I Tellgren, Laurens D M Peters

|Apr 24, 2024

A variational reformulation of molecular properties in electronic-structure theory.

Poul Jørgensen, Jeppe Olsen, Magnus Bukhave Johansen

|Feb 29, 2024

Exchange-only virial relation from the adiabatic connection.

Andre Laestadius, Mihály A Csirik, Markus Penz

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Frequent Collaborators

9 joint publications

Erik Tellgren

6 joint publications

Laurens D M Peters

5 joint publications

Tanner Culpitt

3 joint publications

Andrew M Wibowo-Teale

2 joint publications

Theo Juncker von Buchwald

2 joint publications

Poul Jørgensen

2 joint publications

Andreas Erbs Hillers-Bendtsen

2 joint publications

Magnus Bukhave Johansen

2 joint publications

David J Tozer

2 joint publications

Andre Laestadius

Frequent Collaborators

9 joint publications

Erik Tellgren

6 joint publications

Laurens D M Peters

5 joint publications

Tanner Culpitt

3 joint publications

Andrew M Wibowo-Teale

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