Academic article

• Johanne Elise Vembe; Marcin Krotkiewski; Magnar Bjørgve et al. (2025). GaDE - GPU-acceleration of time-dependent Dirac equation for exascale. (external link)
• Stian Astad Sørngård; Sigurd Askeland; Raymond Nepstad et al. (2012). Multiphoton ionization and stabilization of helium in superintense xuv fields. (external link)
• Raymond Nepstad; Morten Førre (2012). Nonsequential double ionization of H- by two-photon absorption. (external link)
• Abdul Waheed; Daniel Fregenal; Øyvind Frette et al. (2012). Suppression of multiphoton intrashell resonances in Li Rydberg atoms. (external link)
• Morten Førre; Aleksander Simonsen (2016). Generalized velocity-gauge form of the light-matter interaction Hamiltonian beyond the dipole approximation. (external link)
• Sigrid Ina Simonsen; Stian Astad Sørngård; Morten Førre et al. (2014). High-order harmonic generation in graphene flakes exposed to circularly polarized femtosecond pulses. (external link)
• Morten Førre; Sølve Selstø; Jan Petter Hansen et al. (2005). Exact nondipole Kramers-Henneberger form of the light-atom hamiltonian: An application to atomic stabilization and photoelectron energy spectra. (external link)
• Sølve Selstø; Morten Førre; Jan Petter Hansen et al. (2005). Strong orientation effects in ionization of H-2(+) by short, intense, high-frequency light pulses. (external link)
• Morten Førre (2012). One-photon double ionization of helium: A heuristic formula for the cross section. (external link)
• Tore Birkeland; Raymond Nepstad; Morten Førre (2010). Stabilization of helium in intense xuv laser fields. (external link)
• Sigrid Ina Simonsen; Stian Astad Sørngård; Morten Førre et al. (2012). Femtosecond-pulse-train ionization of Rydberg wave packets. (external link)
• Morten Førre; Eric Mével; Eric Constant (2011). Seeded attosecond-pulse generation in structured media: A road for attosecond optics. (external link)
• Lene Sælen; Ingrid Sundvor; Tore Birkeland et al. (2007). Classical and quantum-mechanical investigation of the role of nondipole effects on the binding of a stripped HD2+ molecule. (external link)
• Victoria Popsueva; Raymond Nepstad; Tore Birkeland et al. (2007). Structure of lateral two-electron quantum dot molecules in electromagnetic fields. (external link)
• Tor Kjellsson; Morten Førre; Aleksander Simonsen et al. (2017). Alternative gauge for the description of the light-matter interaction in a relativistic framework. (external link)
• Sølve Selstø; Jim F. McCann; Morten Førre et al. (2006). Geometrical dependence in photoionization of H-2(+) in high-intensity, high-frequency, ultrashort laser pulses. (external link)
• Raymond Nepstad; Tore Birkeland; Morten Førre (2010). Numerical study of two-photon ionization of helium using an ab initio numerical framework. (external link)
• Sølve Selstø; Tore Birkeland; Simen Kvaal et al. (2011). A master equation approach to double ionization of helium. (external link)
• Stian Astad Sørngård; Morten Førre; Jan Petter Hansen (2012). Angular resolved phonon emission from excited quantum dots. (external link)
• Morten Førre; Sølve Selstø (2020). Schrödinger formulation of the nondipole light-matter interaction consistent with relativity. (external link)
• Aleksander Simonsen; Tor Kjellsson; Morten Førre et al. (2016). Ionization dynamics beyond the dipole approximation induced by the pulse envelope. (external link)
• Johan Gard Sletten; Morten Førre (2024). Nonsequential two-photon double ionization of He, Li+, and H-: A realistic one-dimensional model. (external link)
• Morten Førre; Henri Bachau (2008). Orientation effects in the Coulomb-explosion ionization of an H-2(+) wave packet by short xuv pulses: Applicability off the fixed-nuclei approximation. (external link)
• Stian Astad Sørngård; Sigurd Askeland; Raymond Nepstad et al. (2011). Multiphoton ionization and stabilization of helium in superintense xuv fields. (external link)
• L Nyvang; D Fregenal; Morten Førre et al. (2004). Intrashell dynamics of Rydberg atoms: core effects. (external link)
• Jana Precliková; Abdul Waheed; Daniel Fregenal et al. (2012). Unidentified transitions in one-photon intrashell dynamics in Rydberg atoms. (external link)
• Tor Hugo Iwao Kjellsson Lindblom; Morten Førre; Eva Lindroth et al. (2020). Relativistic effects in photoionizing a circular Rydberg state in the optical regime. (external link)
• Tor Kjellsson Lindblom; Morten Førre; Eva Lindroth et al. (2018). Semirelativistic Schrödinger equation for relativistic laser-matter interactions. (external link)
• Valery Mezoui Ndo; Luc Owono Owono; Bernard Piraux et al. (2012). Nuclear interference processes in the dissociation of H-2(+) in short vuv laser fields. (external link)
• Sigurd Askeland; Raymond Nepstad; Morten Førre (2012). Two-photon double ionization of helium by attosecond laser pulses: Evidence of highly correlated electron motion. (external link)
• Morten Førre; Sølve Selstø; Raymond Nepstad (2010). Nonsequential Two-Photon Double Ionization of Atoms: Identifying the Mechanism. (external link)
• Johanne Elise Vembe; Morten Førre (2024). Anisotropic effects in the nondipole relativistic photoionization of hydrogen. (external link)
• Aleksander Simonsen; Sigurd Askeland; Morten Førre (2013). Two-photon double ionization of helium: investigating the importance of correlation in the final state. (external link)
• Morten Førre (2019). Breakdown of the nonrelativistic approximation in superintense laser-matter interactions. (external link)
• Abdul Waheed; Daniel Fregenal; Øyvind Frette et al. (2011). Suppression of multiphoton intrashell resonances in Li Rydberg atoms. (external link)
• Tore Birkeland; Morten Førre; Jan Petter Hansen et al. (2004). Dynamics of H(2p) ionization in ultrashort strong laser pulses. (external link)
• Morten Førre; Sølve Selstø; Jan Petter Hansen et al. (2007). Molecules in intense xuv pulses: Beyond the dipole approximation in linearly and circularly polarized fields. (external link)
• Morten Førre (2006). Nondipole ionization dynamics of excited atoms in intense femtosecond pulses. (external link)
• Morten Førre; Jan Petter Hansen; Victoria Popsueva et al. (2006). Fast single-electron transport in a double quantum dot. (external link)
• Morten Førre; Samira Barmaki; Henri Bachau (2009). Nuclear Interference in the Coulomb Explosion of H-2(+) in Short vuv Laser Fields. (external link)
• Victoria Popsueva; Morten Førre; Jan Petter Hansen et al. (2007). Electron transport in a double quantum dot controlled by magnetic switching. (external link)
• D Dimitrovski; Morten Førre; Lars Bojer Madsen (2009). Strong-field short-pulse nondipole dynamics. (external link)
• Sølve Selstø; Morten Førre (2007). Alternative descriptions of the light-matter interaction beyond the dipole approximation. (external link)
• Raymond Nepstad; Morten Førre (2011). Nonsequential double ionization of the hydride ion by two-photon absorption. (external link)
• Sølve Selstø; Morten Førre (2006). Coherent single-electron transport between coupled quantum dots. (external link)
• Aleksander Simonsen; Henri Bachau; Morten Førre (2014). Laser-induced breakup of helium 3 S 1 s 2 s with intermediate doubly excited states. (external link)
• Thore Espedal Moe; Morten Førre (2018). Ionization of atomic hydrogen by an intense x-ray laser pulse: An ab initio study of the breakdown of the dipole approximation. (external link)
• Michaela Chovancová; Hicham Agueny; Morten Førre et al. (2017). Spatial transport of electron quantum states with strong attosecond pulses. (external link)
• Jan Petter Hansen; Stian Astad Sørngård; Morten Førre et al. (2012). Quantitative modeling of spin relaxation in quantum dots. (external link)
• Johanne Elise Vembe; Esther Andrea Babunga Johnsen; Morten Førre (2024). Relativistic and nondipole effects in multiphoton ionization of hydrogen by a high-intensity x-ray laser pulse. (external link)
• Morten Førre (2022). Nondipole effects and photoelectron momentum shifts in strong-field ionization by infrared light. (external link)
• Morten Førre; Jan Petter Hansen (2003). Selective-field inoniszation dynamics of a Li(m=2) Rydberg state: Landau-Zener model versus quantal approach. (external link)
• Sølve Selstø; Xavier Raynaud; Aleksander Simonsen et al. (2014). Distinction between sequential and direct ionization in two-photon double ionization of helium. (external link)
• Ingjald Pilskog; Daniel Fregenal; Øyvind Frette et al. (2011). Symmetry and symmetry breaking in Rydberg-atom intrashell dynamics. (external link)
• Morten Førre; Jan Petter Hansen; Ladislav Kocbach et al. (2006). Nondipole ionization dynamics of atoms in superintense high-frequency attosecond pulses. (external link)
• Morten Førre; Aleksander Simonsen (2014). Nondipole ionization dynamics in atoms induced by intense xuv laser fields. (external link)
• Aleksander Simonsen; Henri Bachau; Morten Førre (2014). Two-photon double ionization of metastable 1,3S 1s2s helium. (external link)
• Aleksander Simonsen; Stian Astad Sørngård; Raymond Nepstad et al. (2012). Direct two-photon double ionization of H-2. (external link)
• Daniel Fregenal; Morten Førre; Bernd Henningsen et al. (2007). Core-induced chaos in intrashell transitions. (external link)
• Daniel Fregenal; Morten Førre; Erik Horsdal et al. (2008). Transient intrashell resonances in Rydberg atoms. (external link)
• Aleksander Simonsen; Morten Førre (2016). Dipole-forbidden atomic transitions induced by superintense x-ray laser fields. (external link)
• Silvina N. Pugliese; Aleksander Simonsen; Morten Førre et al. (2015). High-order-harmonic spectra from atoms in intense laser fields: Exact versus approximate methods. (external link)
• Morten Førre; Daniel Fregenal; J C Day et al. (2002). Dynamics of a single Rydberg shell in time dependent external fields. (external link)
• Morten Førre; Jan Petter Hansen; Ladislav Kocbach et al. (2007). Atoms and molecules in intense attosecond fields: beyond the dipole approximation. (external link)
• Sigurd Askeland; Morten Førre (2013). Probing two-center interference in H-2(+) using chirped pulses. (external link)
• Morten Førre; Halvor Møll Nilsen; Jan Petter Hansen (2002). Dynamics of a H(n) atom in time dependent electric and magnetic fields. (external link)
• Aleksander Simonsen; Morten Førre (2015). Magnetic-field-induced enhancement of atomic stabilization in intense high-frequency laser fields. (external link)
• Sigurd Askeland; Stian Astad Sørngård; Ingjald Pilskog et al. (2011). Stabilization of circular Rydberg atoms by circularly polarized infrared laser fields. (external link)

Doctoral thesis (PhD)

• Aleksander Simonsen; Morten Førre; Jan Petter Hansen (2016). Simulation of Atoms in Superintense Laser Fields by Solving the Time-Dependent Schrödinger Equation. (external link)
• Morten Førre; Jan Petter Hansen (2004). On the dynamics of excited atoms in time dependent electromagnetic fields. (external link)

Conference abstract

• Sølve Selstø; Simen Kvaal; Tore Birkeland et al. (2012). Double ionization with absorbers. (external link)
• Ingjald Pilskog; Daniel Fregenal; Morten Førre et al. (2009). Hidden avoided crossings and interference in intrashell transitions driven by harmonic fields. (external link)
• Morten Førre; Samira Barmaki; Henri Bachau (2009). Nuclear interference in the Coulomb explosion of H2+ in short vuv laser fields. (external link)
• Tore Birkeland; Raymond Nepstad; Morten Førre (2009). Two-electron stabilization in helium. (external link)
• Stian Astad Sørngård; Jan Petter Hansen; Morten Førre (2009). Lifetime of excited states of quantum dot molecules. (external link)

Conference poster

• Stian Astad Sørngård; Sigurd Askeland; Raymond Nepstad et al. (2011). Multiphoton ionization and stabilization of helium in superintense xuv fields. (external link)
• Morten Førre; Henri Bachau (2008). Ionization of H2+ by a short xuv pulse: The applicability of the FNA. (external link)
• Raymond Nepstad; Morten Førre (2011). Nonsequential double ionization of the hydride ion by two-photon absorption. (external link)
• Stian Astad Sørngård; Sigurd Askeland; Raymond Nepstad et al. (2010). Stabilization of Helium in Intense Laser Fields. (external link)
• Jan Petter Hansen; Morten Førre; Victoria Popsueva (2006). Magnetic switch induced electron transport in a double quantum dot. (external link)
• Sølve Selstø; Morten Førre; Simen Kvaal et al. (2010). Describing double photo-ionization of helium bymeans of absorbing boundaries. (external link)
• Abdul Waheed; Daniel Fregenal; Øyvind Frette et al. (2011). Suppression of multiphoton intrashell resonances in Li Rydberg atoms. (external link)
• Sølve Selstø; Simen Kvaal; Raymond Nepstad et al. (2010). Non-sequential double ionization of helium: Extracting the cross section. (external link)
• Stian Astad Sørngård; Jan Petter Hansen; Morten Førre (2009). Lifetime of excited states of quantum dot molecules. (external link)
• Ingjald Pilskog; Daniel Fregenal; Morten Førre et al. (2009). Hidden avoided crossings and interference in intrashell transitions driven by harmonic fields. (external link)
• Tore Birkeland; Raymond Nepstad; Morten Førre (2009). Numerical studies of multiphoton ionization processes in helium. (external link)
• Tore Birkeland; Raymond Nepstad; Morten Førre (2009). Numerical studies of multiphoton ionization processes in helium. (external link)
• Tore Birkeland; Raymond Nepstad; Morten Førre (2009). Two-electron stabilization in helium. (external link)
• Tore Birkeland; Raymond Nepstad; Morten Førre (2009). Correlated strong-field multiphoton ionization processes in three-particle systems. (external link)
• Morten Førre; Samira Barmaki; Henri Bachau (2009). Nuclear interference in the Coulomb explosion of H2+ in short vuv laser fields. (external link)
• Victoria Popsueva; Morten Førre (2005). Structure and Dynamics of Quantum Dots. (external link)
• Morten Førre; Tore Birkeland; Raymond Nepstad (2009). Strong-field multiphoton double ionization of helium. (external link)
• Daniel Fregenal; Erik Horsdal-Pedersen; Lars Boyer Madsen et al. (2003). Multiphoton intrashell resonances in Rydberg atoms. Bloch-Siegert shifts and widths. (external link)
• Sigrid Ina Simonsen; Stian Astad Sørngård; Morten Førre et al. (2012). Femtosecond pulse train ionization of Rydberg wave packets. (external link)

Media feature article

• Jan Emblemsvåg; Arne Krokan; Vilmar Æsøy et al. (2023). Det kan ikke søkes forskingsmidler til kjernekraft: – Et sjansespill med Norges energifremtid?. (external link)
• Jan Emblemsvåg; Arne Krokan; Vilmar Æsøy et al. (2023). Det kan ikke søkes forskingsmidler til kjernekraft: – Et sjansespill med Norges energifremtid?. (external link)

Journal corrigendum

• Tor Hugo Iwao Kjellsson Lindblom; Eva Lindroth; Morten Førre et al. (2021). Erratum: Semirelativistic Schrödinger Equation for Relativistic Laser-Matter Interactions [Phys. Rev. Lett. 121, 253202 (2018)]. (external link)
• Morten Førre; Sølve Selstø; Raymond Nepstad (2011). Erratum: Nonsequential Two-Photon Double Ionization of Atoms: Identifying the Mechanism [Phys. Rev. Lett. 105, 163001 (2010)]. (external link)

Media interview

• Konrad Tywoniuk; Jan Petter Hansen; Martin Møller Greve et al. (2025). 2025: Kvantefysikkens år. (external link)

Conference lecture

• Morten Førre; Sølve Selstø; Raymond Nepstad (2011). Two-photon single and double ionization of helium - a simple model. (external link)
• Morten Førre (2011). Atomic stabilization in intense laser fields. (external link)
• Morten Førre; Raymond Nepstad (2011). An implicit method for large-scale quantum simulations. (external link)
• Jan Petter Hansen; Sølve Selstø; Morten Førre et al. (2006). Atoms and Molecules in Strong High-frequency Fields. (external link)
• Sølve Selstø; Morten Førre; Tor Kjellsson et al. (2018). Solving the Dirac Equation. (external link)

Master’s thesis

• Morten Førre (2000). Rydberg Atoms in External Time Dependent Fields. (external link)
• Andreas Skeidsvoll; Morten Førre (2018). Modeling interactions between hydrogen-like atoms and intense laser pulses with the Dirac equation. (external link)
• Martin Møller Greve; Lorentz Tvedt Syslak; Morten Førre et al. (2024). Nanofabrication and simulation of nanogratings for geometric induced doping in photovoltaic application. (external link)

Lecture

• Jan Petter Hansen; Morten Førre; Sigrid Simonsen et al. (2014). High Harmonic Generation from Extended Systems. (external link)

See a complete overview of publications in NVA.