Trygve Helgaker

Trygve Helgaker

Universitetet i Oslo

H-index: 93

Europe-Norway

About Trygve Helgaker

Trygve Helgaker, With an exceptional h-index of 93 and a recent h-index of 41 (since 2020), a distinguished researcher at Universitetet i Oslo, specializes in the field of Chemistry, theoretical chemistry, quantum chemistry, molecular electronic structure, molecular properties.

His recent articles reflect a diverse array of research interests and contributions to the field:

A variational reformulation of molecular properties in electronic-structure theory

Propagators for molecular dynamics in a magnetic field

Exchange-only virial relation from the adiabatic connection

Time-dependent nuclear-electronic orbital Hartree–Fock theory in a strong uniform magnetic field

Berry Population Analysis: Atomic Charges from the Berry Curvature in a Magnetic Field

Carbon dioxide adsorption to UiO-66: theoretical analysis of binding energy and NMR properties

Molecular vibrations in the presence of velocity-dependent forces

DFT exchange: sharing perspectives on the workhorse of quantum chemistry and materials science

Trygve Helgaker Information

University

Position

___

Citations(all)

41373

Citations(since 2020)

10019

Cited By

35705

hIndex(all)

93

hIndex(since 2020)

41

i10Index(all)

306

i10Index(since 2020)

161

Email

University Profile Page

Universitetet i Oslo

Google Scholar

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Trygve Helgaker Skills & Research Interests

Chemistry

theoretical chemistry

quantum chemistry

molecular electronic structure

molecular properties

Top articles of Trygve Helgaker

Title

Journal

Author(s)

Publication Date

A variational reformulation of molecular properties in electronic-structure theory

Science Advances

Poul Jørgensen

Jeppe Olsen

Magnus Bukhave Johansen

Theo Juncker von Buchwald

Andreas Erbs Hillers-Bendtsen

...

2024/4/24

Propagators for molecular dynamics in a magnetic field

Molecular Physics

Laurens DM Peters

Erik I Tellgren

Trygve Helgaker

2024/3/3

Exchange-only virial relation from the adiabatic connection

The Journal of Chemical Physics

Andre Laestadius

Mihály A Csirik

Markus Penz

Nicolas Tancogne-Dejean

Michael Ruggenthaler

...

2024/2/28

Time-dependent nuclear-electronic orbital Hartree–Fock theory in a strong uniform magnetic field

The Journal of Chemical Physics

Tanner Culpitt

Laurens DM Peters

Erik I Tellgren

Trygve Helgaker

2023/3/21

Berry Population Analysis: Atomic Charges from the Berry Curvature in a Magnetic Field

Journal of Chemical Theory and Computation

Laurens DM Peters

Tanner Culpitt

Erik I Tellgren

Trygve Helgaker

2023/1/27

Carbon dioxide adsorption to UiO-66: theoretical analysis of binding energy and NMR properties

Physical Chemistry Chemical Physics

Michiko Atsumi

Jia-Jia Zheng

Erik Tellgren

Shigeyoshi Sakaki

Trygve Helgaker

2023

Molecular vibrations in the presence of velocity-dependent forces

The Journal of Chemical Physics

Erik I Tellgren

Tanner Culpitt

Laurens DM Peters

Trygve Helgaker

2023/3/28

DFT exchange: sharing perspectives on the workhorse of quantum chemistry and materials science

Andrew M Teale

Trygve Helgaker

Andreas Savin

Carlo Adamo

Bálint Aradi

...

2022

Oxyl Character and Methane Hydroxylation Mechanism in Heterometallic M(O)Co3O4 Cubanes (M = Cr, Mn, Fe, Mo, Tc, Ru, and Rh)

ACS Catalysis

Bastian Bjerkem Skjelstad

Trygve Helgaker

Satoshi Maeda

David Balcells

2022/9/27

Molecular dynamics of linear molecules in strong magnetic fields

The Journal of Chemical Physics

Laurenz Monzel

Ansgar Pausch

Laurens DM Peters

Erik I Tellgren

Trygve Helgaker

...

2022/8/7

Revealing the exotic structure of molecules in strong magnetic fields

The Journal of Chemical Physics

Miles J Pemberton

Tom JP Irons

Trygve Helgaker

Andrew M Teale

2022/5/28

Lieb variation principle in density-functional theory

arXiv preprint arXiv:2204.12216

Trygve Helgaker

Andrew M Teale

2022/4/26

Lutosław Wolniewicz (1930–2020)

Molecular Physics

Stanisław Dembiński

Jacek Karwowski

Józef Szudy

Trygve Helgaker

2022/10/18

Analytic calculation of the Berry curvature and diagonal Born–Oppenheimer correction for molecular systems in uniform magnetic fields

The Journal of Chemical Physics

Tanner Culpitt

Laurens DM Peters

Erik I Tellgren

Trygve Helgaker

2022/1/28

Magnetic-translational sum rule and approximate models of the molecular Berry curvature

The Journal of Chemical Physics

Laurens DM Peters

Tanner Culpitt

Erik I Tellgren

Trygve Helgaker

2022/10/7

Ab initio molecular dynamics with screened Lorentz forces. II. Efficient propagators and rovibrational spectra in strong magnetic fields

The Journal of Chemical Physics

Laurens DM Peters

Tanner Culpitt

Laurenz Monzel

Erik I Tellgren

Trygve Helgaker

2021/7/14

Lower semicontinuity of the universal functional in paramagnetic current–density functional theory

The Journal of Physical Chemistry Letters

Simen Kvaal

Andre Laestadius

Erik Tellgren

Trygve Helgaker

2021/2/1

First-Principles Calculation of 1H NMR Chemical Shifts of Complex Metal Polyhydrides: The Essential Inclusion of Relativity and Dynamics

Inorganic Chemistry

Abril C Castro

David Balcells

Michal Repisky

Trygve Helgaker

Michele Cascella

2020/11/23

New approaches to study excited states in density functional theory: general discussion

Faraday Discussions

Jan Gerit Brandenburg

Kieron Burke

Emmanuel Fromager

Matteo Gatti

Sara Giarrusso

...

2020

Foreword: Prof. Gauss Festschrift

Molecular Physics

Janus J Eriksen

Stella Stopkowicz

Thomas-C Jagau

Trygve Helgaker

2020/10/17

See List of Professors in Trygve Helgaker University(Universitetet i Oslo)

Co-Authors

H-index: 101
hans agren

hans agren

Uppsala Universitet

H-index: 78
Wim Klopper

Wim Klopper

Karlsruher Institut für Technologie

H-index: 74
Ove Christiansen

Ove Christiansen

Aarhus Universitet

H-index: 67
Kurt V. Mikkelsen

Kurt V. Mikkelsen

Københavns Universitet

H-index: 63
Hans Jørgen Aagaard Jensen

Hans Jørgen Aagaard Jensen

Syddansk Universitet

H-index: 53
David J Tozer

David J Tozer

Durham University

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