2020

• Yuri V. Khotyaintsev; Daniel B. Graham; Konrad Steinvall et al. (2020). Electron Heating by Debye-Scale Turbulence in Guide-Field Reconnection. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Daniel B. Graham et al. (2020). Electron Acceleration and Thermalization at Magnetotail Separatrices. (external link)
• Norah Kaggwa Kwagala; Michael Hesse; Therese Moretto Jørgensen et al. (2020). Effect of selecting different simulation configurations on the prediction performance of the Space Weather Modeling Framework regarding ground magnetic perturbations. (external link)
• Paul Tenfjord; Michael Hesse; Susanne Flø Spinnangr et al. (2020). Cold proton-reconnection interaction. (external link)
• Wenya Li; D. B. Graham; Yuri V. Khotyaintsev et al. (2020). Electron Bernstein waves driven by electron crescents near the electron diffusion region. (external link)
• Stein Haaland; Götz Paschmann; M Oieroset et al. (2020). Characteristics of the Flank Magnetopause: MMS Results. (external link)
• Håkon Midthun Kolstø; Michael Hesse; Astrid Elisabet Cecilia Norgren et al. (2020). On the Impact of a Streaming Oxygen Population on Collisionless Magnetic Reconnection. (external link)
• Norah Kaggwa Kwagala; Therese Moretto; Michael Hesse et al. (2020). Quantitative Investigation of the Effect on Ground Magnetic Perturbations of IMF Bx. (external link)
• Michael Hesse; Astrid Elisabet Cecilia Norgren; Paul Tenfjord et al. (2020). A new Look at the Electron Diffusion Region in Asymmetric Magnetic Reconnection. (external link)
• Paul Tenfjord; Michael Hesse; Susanne Flø Spinnangr et al. (2020). Electron and ion dynamics during closure of Hall current systems. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Paul Arne Riksheim Tenfjord et al. (2020). Acceleration and thermalization of cold ions during magnetic reconnection. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Paul Arne Riksheim Tenfjord et al. (2020). Cold ions inside the exhaust of antiparallel magnetic reconnection. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Paul Arne Riksheim Tenfjord et al. (2020). Cold ions inside the exhaust of antiparallel magnetic reconnection. (external link)
• Norah Kaggwa Kwagala; Michael Hesse; Therese Moretto et al. (2020). Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation. (external link)
• C. P. Escoubet; KJ Hwang; Sergio Toledo-Redondo et al. (2020). Cluster and MMS simultaneous observations of magnetosheath high speed jets and their impact on the magnetopause. (external link)
• Paul Tenfjord; Michael Hesse; Susanne Flø Spinnangr et al. (2020). What can limit the effectiveness of magnetic reconnection?. (external link)
• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren et al. (2020). Interaction of Cold Streaming Protons with the Reconnection Process. (external link)
• Håkon Midthun Kolstø; Michael Hesse; Astrid Elisabet Cecilia Norgren et al. (2020). Collisionless Magnetic Reconnection in an Asymmetric Oxygen Density Configuration. (external link)

2023

• Astrid Elisabet Cecilia Norgren; Michael Hesse; Tai Phan et al. (2023). Intermittent (or unsteady) magnetic reconnection in the magnetotail. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Tai Phan (2023). Kinetic physics of the electron diffusion region of magnetic reconnection. (external link)
• Joseph E. Borovsky; Gian Luca Delzanno; Elena A. Kronberg et al. (2023). Editorial: Cold-ion populations and cold-electron populations in the Earth’s magnetosphere and their impact on the system. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Tai Phan (2023). Reconnection cessation and onset in the terrestrial magnetotail. (external link)
• Astrid Elisabet Cecilia Norgren (2023). The formation of the ion outflow inside the reconnection ion diffusion region. (external link)
• Mohammed Baraka; Olivier Le Contel; Soboh Alqeeq et al. (2023). Study of a dayside magnetopause reconnection event detected by MMS related to a large-scale solar wind perturbation and magnetospheric cold ions. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Tai Phan (2023). Particle dynamics associated with off-diagonal pressure components around the electron diffusion region of symmetric reconnection. (external link)
• Huijie Liu; Wenya Li; Binbin Tang et al. (2023). Statistics of the high-speed electron flows in the magnetotail. (external link)

2021

• Susanne Flø Spinnangr; Michael Hesse; Paul Arne Riksheim Tenfjord et al. (2021). The Micro-Macro Coupling of Mass-Loading in Symmetric Magnetic Reconnection With Cold Ions. (external link)
• Håkon Midthun Kolstø; Astrid Elisabet Cecilia Norgren; Michael Hesse et al. (2021). MMS Observations of an Expanding Oxygen Density Wave in Magnetic Reconnection. (external link)
• Astrid Elisabet Cecilia Norgren; Paul Arne Riksheim Tenfjord; Michael Hesse et al. (2021). On the Presence and Thermalization of Cold Ions in the Exhaust of Antiparallel Symmetric Reconnection. (external link)
• Yin Xu; Huishan Fu; Jinbin Cao et al. (2021). Electron-Scale Measurements of Antidipolarization Front. (external link)
• Hidetaka Kuniyoshi; Michael Hesse; Astrid Elisabet Cecilia Norgren et al. (2021). Magnetic Reconnection in a Sheared Magnetic Flux Tube: Slippage Versus Tearing. (external link)
• K.-J. Hwang; K. Dokgo; E. Choi et al. (2021). Bifurcated Current Sheet Observed on the Boundary of Kelvin-Helmholtz Vortices. (external link)
• Yu-Xuan Li; Wen-Ya Li; Bin-Bin Tang et al. (2021). Quantification of Cold-Ion Beams in a Magnetic Reconnection Jet. (external link)
• Wenya Li; Yuri V. Khotyaintsev; Bin-Bin Tang et al. (2021). Upper-Hybrid Waves Driven by Meandering Electrons Around Magnetic Reconnection X Line. (external link)
• Judit Perez-Coll Jimenez; Paul Arne Riksheim Tenfjord; Michael Hesse et al. (2021). The role of resistivity on the efficiency of magnetic reconnection in MHD. (external link)
• Paul Arne Riksheim Tenfjord; Susanne Flø Spinnangr; Astrid Elisabet Cecilia Norgren et al. (2021). Modulating the reconnection efficiency by moments and field variability and various inflow characteristics. (external link)
• Susanne Flø Spinnangr; Paul Arne Riksheim Tenfjord; Astrid Elisabet Cecilia Norgren et al. (2021). Magnetic Reconnection During Varying Inflow Conditions. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Paul Arne Riksheim Tenfjord et al. (2021). Acceleration and thermalization of cold ions within the reconnection exhaust. (external link)
• Susanne Flø Spinnangr; Paul Arne Riksheim Tenfjord; Michael Hesse et al. (2021). Asymmetrically Varying Guide Field During Magnetic Reconnection: Particle-In-Cell Simulations. (external link)
• Sergio Toledo-Redondo; Kyoung-Joo Hwang; C. P. Escoubet et al. (2021). Solar Wind—Magnetosphere Coupling During Radial Interplanetary Magnetic Field Conditions: Simultaneous Multi-Point Observations. (external link)
• Håkon Midthun Kolstø; Cecilia Norgren; Michael Hesse et al. (2021). Magnetospheric Multiscale Observations of an Expanding Oxygen Wave in Magnetic Reconnection. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Daniel B. Graham et al. (2021). Electron acceleration and thermalization at magnetotail separatrices. (external link)

2018

• Astrid Elisabet Cecilia Norgren; Daniel B. Graham; Yuri V. Khotyaintsev et al. (2018). Electron reconnection in the magnetopause current layer. (external link)
• Michael Hesse; Astrid Elisabet Cecilia Norgren; Paul Tenfjord et al. (2018). On the role of separatrix instabilities in heating the reconnection outflow region. (external link)
• Astrid Elisabet Cecilia Norgren; Matthew Argall; Michael Hesse et al. (2018). Electron acceleration and thermalisation along magnetotail separatrices. (external link)
• Astrid Elisabet Cecilia Norgren; Daniel B. Graham; Yuri V. Khotyaintsev et al. (2018). Electron Reconnection in the Magnetopause Current Layer. (external link)
• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren (2018). The formation of an oxygen wave by magnetic reconnection. (external link)
• Astrid Elisabet Cecilia Norgren; Matthew Argall; Daniel B. Graham et al. (2018). Electron acceleration and thermalisation along magnetotail separatrices. (external link)
• Astrid Elisabet Cecilia Norgren; Daniel B. Graham; Michael Hesse et al. (2018). Separatrix wave activity prior to X-line passage: July 11, 2017. (external link)
• Y Xu; HS Fu; Astrid Elisabet Cecilia Norgren et al. (2018). Formation of dipolarization fronts after current sheet thinning. (external link)
• James L Burch; Cassak Paul; Astrid Elisabet Cecilia Norgren (2018). Magnetic Reconnection and NASA's Magnetospheric Multiscale (MMS) Mission. (external link)
• Astrid Elisabet Cecilia Norgren; Benoit Lavraud; Michael Hesse (2018). Electron scattering at different guide fields. (external link)
• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren (2018). How Oxygen Influences the Reconnection Rate. (external link)
• Astrid Elisabet Cecilia Norgren; Daniel B. Graham; Michael Hesse et al. (2018). Electron acceleration and thermalisation along magnetotail separatrices. (external link)
• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren (2018). The formation of oxygen density striations in the diffusion region. (external link)
• Astrid Elisabet Cecilia Norgren; Daniel B. Graham; Mats André et al. (2018). Magnetopause fluxrope, electron rings, and whistler waves. (external link)
• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren (2018). The influence of oxygen on the reconnection rate. (external link)
• Astrid Elisabet Cecilia Norgren; Matthew Argall; Daniel B. Graham et al. (2018). Observation and modelling of electron trapping associated with electron phase space holes. (external link)
• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren (2018). Formation of oxygen density striations. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Daniel B. Graham et al. (2018). Electron acceleration and thermalisation along magnetotail separatrices. (external link)
• Michael Hesse; Yi-Hsin Liu; Li-Jen Chen et al. (2018). The physical foundation of the reconnection electric field. (external link)

2017

• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren (2017). Oxygen heating and acceleration. (external link)
• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren (2017). The role of different ion species in magnetic reconnection: Formation of oxygen density striations. (external link)

2022

• Michael Hesse; James L Burch; Yi-Hsin Liu et al. (2022). Revisiting the Electron Diffusion Region in Asymmetric Guide-Field Reconnection. (external link)
• Judit Perez-Coll Jimenez; Paul Arne Riksheim Tenfjord; Michael Hesse et al. (2022). The Role of Resistivity on the Efficiency of Magnetic Reconnection in MHD. (external link)
• Michael Hesse; James L Burch; Astrid Elisabet Cecilia Norgren et al. (2022). The electron diffusion region and its relation to the larger-scale environment. (external link)
• Huijie Liu; Wenya Li; Binbin Tang et al. (2022). Statistics of high-speed electron flows in the magnetotail. (external link)
• Daniel B. Graham; Yuri V. Khotyaintsev; Mats André et al. (2022). Direct observations of anomalous resistivity and diffusion in magnetic reconnection. (external link)
• Astrid Elisabet Cecilia Norgren (2022). Millisecond observations of nonlinear wave-electron interaction in electron phase space holes. (external link)
• D.B. Graham; Yu. V. Khotyaintsev; M. André et al. (2022). Direct observations of anomalous resistivity and diffusion in collisionless plasma. (external link)
• Michael Hesse; James L Burch; Yi-Hsin Liu et al. (2022). What do we know about the reconnection electric field?. (external link)
• Astrid Elisabet Cecilia Norgren; Daniel B. Graham; Matthew Argall et al. (2022). Millisecond observations of nonlinear wave–electron interaction in electron phase space holes. (external link)

2025

• Astrid Elisabet Cecilia Norgren (2025). The injection of ions into the exhaust by the Hall fields. (external link)
• Sara Gasparini; L. Kepko; K. A. Sorathia et al. (2025). A New Approach to Data‐Model Comparisons: Using MAGE and Lompe to Unravel Ionosphere‐Magnetosphere Electrodynamics. (external link)
• Astrid Elisabet Cecilia Norgren (2025). Ion Hall dynamics in symmetric magnetic reconnection. (external link)
• Astrid Elisabet Cecilia Norgren (2025). Plasma dynamics in the diffusion regions of magnetic reconnection. (external link)
• Astrid Elisabet Cecilia Norgren; Chen, L.-J.; Graham, D. B. et al. (2025). Electron and Ion Dynamics in Reconnection Diffusion Regions. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; T. Phan et al. (2025). Phase-space contributions to pressure and stress tensors in the electron diffusion region of magnetic reconnection. (external link)
• Yi-Hsin Liu; Michael Hesse; Kevin Genestreti et al. (2025). Ohm’s Law, the Reconnection Rate, and Energy Conversion in Collisionless Magnetic Reconnection. (external link)
• D.B. Graham; G. Cozzani; Yu. V. Khotyaintsev et al. (2025). The Role of Kinetic Instabilities and Waves in Collisionless Magnetic Reconnection. (external link)

2019

• Paul Tenfjord; Michael Hesse; Astrid Elisabet Cecilia Norgren et al. (2019). The Impact of Oxygen on the Reconnection Rate. (external link)
• Norah Kaggwa Kwagala; Michael Hesse; Paul Tenfjord et al. (2019). Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation. (external link)
• D. B. Graham; Yu V Khotyaintsev; Astrid Elisabet Cecilia Norgren et al. (2019). Universality of Lower Hybrid Waves at Earth's Magnetopause. (external link)
• Yuri V. Khotyaintsev; Daniel B. Graham; Astrid Elisabet Cecilia Norgren et al. (2019). Collisionless Magnetic Reconnection and Waves: Progress Review. (external link)
• Y Xu; HS Fu; Astrid Elisabet Cecilia Norgren et al. (2019). Ionospheric Cold Ions Detected by MMS Behind Dipolarization Fronts. (external link)
• JR Shuster; Daniel J Gershman; LJ Chen et al. (2019). MMS Measurements of the Vlasov Equation: Probing the Electron Pressure Divergence Within Thin Current Sheets. (external link)
• Norah Kaggwa Kwagala; Michael Hesse; Paul Tenfjord et al. (2019). Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation. (external link)
• M. Hesse; Astrid Elisabet Cecilia Norgren; Paul Arne Riksheim Tenfjord et al. (2019). Erratum: On the role of separatrix instabilities in heating the reconnection outflow region (Physics of Plasmas (2018) 25 (122902) DOI: 10.1063/1.5054100). (external link)

2024

• Astrid Elisabet Cecilia Norgren; Dahlberg Julia (2024). Onset and Evolution of Magnetic Reconnection in a Harris Plasma Current Sheet with Different Drift Velocities. (external link)
• Astrid Elisabet Cecilia Norgren; Michael Hesse; Paul Arne Riksheim Tenfjord et al. (2024). Dynamics of cold ions during magnetic reconnection. (external link)

See a complete overview of publications in Cristin.

Using a combination of fully kinetic particle-in-cell simulations and spacecraft observations with Cluster and the Magnetospheric MultiScale mission, my research focuses on the kinetic physics of thin boundaries and magnetic reconnection, plasma heating and acceleration, and wave-particle interaction in space plasma.