Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing
Home Members Teaching Quantum Chemistry
& Atomic Physics
Experimental Spectroscopy Atmospheric

Solvay Workshop on "New Frontiers in Atomic, Nuclear, Plasma and Astrophysics", 25-27 November 2019

Conférence ALTAÏR : "L’Atome : un outil merveilleux pour sonder et comprendre notre Univers", 22 avril 2023

Michel Godefroid

Scientific Career

  • Ph.D. in Chemistry, at the Université libre de Bruxelles (ULB), 1980.
  • Agrégé de l'Enseignement Supérieur en Physique Atomique et Moléculaire (Habilitation), ULB, 1992.
  • Research Associate at Vanderbilt University (Prof. C. Froese Fischer, Nashville, TN, USA) 1981.
  • Research Associate of the Belgian FNRS (Fonds National de la Recherche Scientifique), 1982-92.
  • Senior Research Associate of the Belgian FNRS, 1992-96.
  • Visiting Professor at Queen's University of Belfast, U.K., 1997-1999.
  • Visiting Professor at Université de Paris XI (Paris-Sud, Orsay, France), 2000.
  • Research Director of the Belgian FNRS, 1996-2002.
  • Member of the board of the "European Group of Atomic Spectroscopy" (EGAS) 1998-2004
  • Honorary Research Director of the National Fund for Scientific Research (Belgian F.R.S.-FNRS), 2002-.
  • Invited Professor in the General Physics Department of Vilnius Pedagogical University, Vilnius, Lithuania, 2009.
  • Full Professor at Université libre de Bruxelles (ULB), 2002-2019.
  • Co-director of the Laboratoire de Chimie Quantique et Photophysique, 2002-2019.

Research interests

  • Computational Atomic Physics, Atomic and Molecular Spectroscopy.
  • Correlation and relativistic effects in atomic systems, from negative ions to highly charged ions.
  • Relaxation effects in atomic processes.
  • Ab initio calculations of atomic transition probabilities, radiative lifetimes, isotope shifts, hyperfine structures, electron affinities, polarizabilities.
  • Forbidden transitions: hyperfine-induced and two-photon transitions.
  • Methodological and code developments for computational atomic structures: biorthonormal transformations, Partitioned Correlation Function Interaction approach.
  • Operator techniques and group theory in atomic and molecular physics.
  • Applications to astrophysics,  plasma physics and nuclear physics.
  • Modelization of large amplitude dynamics in polyatomic molecular spectra: energy levels and line intensities.

Research activities

  • Coauthor of the ATSP Atomic Structure Package and ATSP2 Large scale, non-relativistic multiconfiguration Hartree-Fock + Breit Pauli atomic structure package. (see Atomic Structure Codes at NIST).
  • Coauthor of the BELGian Internal Rotor Program .
  • Interdisciplinary research program ARC (1993-97) "The Quantum Keys of Reactivity" , at the frontiers of nuclear, atomic and molecular physics.
  • Action de Recherche Concertée research program ARC (2003-2008) "Atoms and Molecules at High Resolution".
  • Action de Recherche Concertée research program ARC (2008-2013) "Atoms, Molecules and Astmospheres: from Quantum Hamiltonians to satellite missions ".
  • IAP-VII Network (2012-2017) "The Belgian Research Initiative on eXotic nuclei for atomic, nuclear and astrophysics studies " (BriX) " - see the BELSPO Interuniversity Attraction Poles Programme (PAI) .
  • Contributor to the NIST Multiconfiguration Hartree-Fock and Multiconfiguration Dirac-Hartree-Fock Database (MCHF/MCDHF Collection) .
  • Member of the "International collaboration on Computational Atomic Structure " (CompAS).
  • Excellence of Science FNRS & FWO Research Project (EOS) ``Heavy Element Research for Nuclear, Atomic and Astrophysics Studies'' (EVEREST), (EOS-O022818F, 2018-2021), coordinated by Pieter Van Duppen (KULeuven, Nuclear spectroscopy). Other Co-PIs: Riccardo Raabe (KULeuven, Nuclear reactions), Stephane Goriely and Sophie Van Eck (ULB, Nuclear Astrophysics) (Excellence of Science FNRS & FWO Research Project (EOS).


Passed and current scientific collaborations

Former PhD students

Former Post-doctoral students

Former Teaching Activities

  • Bachelier en sciences chimiques - troisième année [CHIM3] CHIM-F304 "Structures et symétries moléculaires"
  • Bachelier en sciences physiques - troisième année [BA-PHYS] PHYS-F306 " Physique nucléaire, atomique et moléculaire"
  • Master en sciences chimiques (cours du tronc commun) CHIM-F448 "Spectroscopies moléculaires"
  • Master en sciences chimiques (à option) CHIM-F400 "Applications de la théorie des groupes en chimie"
  • Master en sciences chimiques (à option) CHIM-F452 "Structures de vibration-rotation"
  • Master en sciences physiques (à option) PHYS-F441 "Spectroscopie nucléaire, atomique et moléculaire théorique"
  • Master en ingénieur civil physicien - première année [IRPH4T/H045] PHYS-H404 "Physique atomique et moléculaire"

Curriculum Vitae

Useful links


Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES) (https://squares.ulb.be//),
Université Libre de Bruxelles, CP160/09
50 Av. F.D. Roosevelt, B-1050 Belgium
Phone: +32 (0)2 650 24 17

Université Libre de Bruxelles – Faculté des Sciences