Øyvind Sigmundson Schøyen

Image of Øyvind Sigmundson Schøyen
Norwegian version of this page
Room Ø452
Username
Visiting address Sem Sælands vei 24 Fysikkbygningen 0371 Oslo
Postal address Postboks 1032 Blindern 0315 Oslo

Academic Interest(s)

I am interested in the time-evolution of quantum many-body problems. Specifically I solve the time-dependent Schrödinger equation for electronic quantum systems subject to time-dependent external fields. To achieve this within the lifetime of the universe I employ a plethora of so-called ab-initio methods such as coupled-cluster theory, configuration interaction, Hartree-Fock and the likes. These methods lets us study physical processes in real-time in a fashion resembling actual experiments.

Courses taught

Background

  • MSc Computational Physics, University of Oslo (2019)
  • BSc Physics, University of Oslo (2017)
  • BSc Informatics, University of Oslo (2017)

 

Tags: Computational Physics, Many-body Physics, Computational quantum mechanics

Publications

  • Aurbakken, Einar; Ofstad, Benedicte; Kristiansen, Håkon Emil; Schøyen, Øyvind Sigmundson; Kvaal, Simen & Sørensen, Lasse Kragh [Show all 8 contributors for this article] (2024). Transient spectroscopy from time-dependent electronic-structure theory without multipole expansions. Physical Review A (PRA). ISSN 2469-9926. 109(1). doi: 10.1103/PhysRevA.109.013109. Full text in Research Archive
  • Ofstad, Benedicte; Wibowo-Teale, Meilani; Kristiansen, Håkon Emil; Aurbakken, Einar; Kitsaras, Marios-Petros & Schøyen, Øyvind Sigmundson [Show all 12 contributors for this article] (2023). Magnetic optical rotation from real-time simulations in finite magnetic fields. Journal of Chemical Physics. ISSN 0021-9606. 159(20), p. 1–14. doi: 10.1063/5.0171927. Full text in Research Archive
  • Ofstad, Benedicte; Kristiansen, Håkon Emil; Aurbakken, Einar; Schøyen, Øyvind Sigmundson; Kvaal, Simen & Pedersen, Thomas Bondo (2023). Adiabatic extraction of nonlinear optical properties from real-time time-dependent electronic-structure theory. Journal of Chemical Physics. ISSN 0021-9606. 158(15). doi: 10.1063/5.0145521. Full text in Research Archive
  • Ofstad, Benedicte; Aurbakken, Einar; Schøyen, Øyvind Sigmundson; Kristiansen, Håkon Emil; Kvaal, Simen & Pedersen, Thomas Bondo (2023). Time-dependent coupled-cluster theory. Wiley Interdisciplinary Reviews. Computational Molecular Science. ISSN 1759-0876. 13(5). doi: 10.1002/wcms.1666. Full text in Research Archive
  • Hebnes, Oliver Lerstøl; Bathen, Marianne Etzelmüller; Schøyen, Øyvind Sigmundson; Winther-Larsen, Sebastian Gregorius; Vines, Lasse & Hjorth-Jensen, Morten (2022). Predicting solid state material platforms for quantum technologies. npj Computational Materials. ISSN 2057-3960. 8(1). doi: 10.1038/s41524-022-00888-3. Full text in Research Archive
  • Kristiansen, Håkon Emil; Ofstad, Benedicte; Hauge, Eirill Strand; Aurbakken, Einar; Schøyen, Øyvind Sigmundson & Kvaal, Simen [Show all 7 contributors for this article] (2022). Linear and Nonlinear Optical Properties from TDOMP2 Theory. Journal of Chemical Theory and Computation. ISSN 1549-9618. 18(6), p. 3687–3702. doi: 10.1021/acs.jctc.1c01309. Full text in Research Archive
  • Pedersen, Thomas Bondo; Kristiansen, Håkon Emil; Bodenstein, Tilmann; Kvaal, Simen & Schøyen, Øyvind Sigmundson (2021). Interpretation of Coupled-Cluster Many-Electron Dynamics in Terms of Stationary States. Journal of Chemical Theory and Computation. ISSN 1549-9618. 17(1), p. 388–404. doi: 10.1021/acs.jctc.0c00977. Full text in Research Archive
  • Kristiansen, Håkon Emil; Schøyen, Øyvind Sigmundson; Kvaal, Simen & Pedersen, Thomas Bondo (2020). Numerical stability of time-dependent coupled-cluster methods for many-electron dynamics in intense laser pulses. Journal of Chemical Physics. ISSN 0021-9606. 152. doi: 10.1063/1.5142276. Full text in Research Archive

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  • Bathen, Marianne Etzelmüller; Hebnes, Oliver Lerstøl; Schøyen, Øyvind Sigmundson; Winther-Larsen, Sebastian Gregorius; Vines, Lasse & Hjorth-Jensen, Morten (2022). Predicting Solid State Material Platforms for Quantum Technologies.
  • Kristiansen, Håkon Emil; Ofstad, Benedicte Sverdrup; Hauge, Eirill Strand; Aurbakken, Einar; Schøyen, Øyvind Sigmundson & Kvaal, Simen [Show all 7 contributors for this article] (2022). Correction to “Linear and Nonlinear Optical Properties from TDOMP2 Theory”. Journal of Chemical Theory and Computation. ISSN 1549-9618. 18(9), p. 5755–5757. doi: 10.1021/acs.jctc.2c00830.

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Published Dec. 12, 2019 1:00 PM - Last modified May 9, 2022 12:47 PM