A page with recorded presentations based on a few of the publications below can be found here.
2022
The Role of Resistivity on the Efficiency of Magnetic Reconnection in MHD
Pérez-Coll Jiménez, J., et al., Journal of Geophysical Research (Space Physics), vol. 127, no. 6, 2022. doi:10.1029/2021JA030134.
Direct observations of anomalous resistivity and diffusion in collisionless plasma
Graham, D. B. … Norgren, C., et al., Nature Communications, vol. 13, 2022. doi:10.1038/s41467-022-30561-8.
Millisecond observations of nonlinear wave-electron interaction in electron phase space holes
Norgren, C., et al., Physics of Plasmas, vol. 29, no. 1, 2022. doi:10.1063/5.0073097.
Asymmetrically varying guide field during magnetic reconnection: Particle-in-cell simulations
Susanne F. Spinnangr, Paul Tenfjord, Michael Hesse, Cecilia Norgren, Håkon M. Kolstø, Norah K. Kwagala, Therese M. Jørgensen, and Judit Perez-Coll. Journal of Geophysical Research: Space Physics, 127:e90690, 2022..
2021
Ion Outflow and Lobe Density: Interhemispheric Asymmetries
Stein Haaland, Bjørn Lybekk, Lukas Maes, Karl Magnus Laundal, Arne Pedersen, Paul Tenfjord, Anders Ohma, Nikolai Østgaard, Jone Reistad, and Kristian Snekvik. In Chaosong Huang and Gang Lu, editors, Ionosphere Dynamics and Applications, volume 3, page 127, May 2021.
A New Look at the Electron Diffusion Region in Asymmetric Magnetic Reconnection
Michael Hesse, Cecilia Norgren, Paul Tenfjord, James L. Burch, Yi- Hsin Liu, Naoki Bessho, Li-Jen Chen, Shan Wang, Hˆakon Kolstø, Su- sanne F. Spinnangr, Robert E. Ergun, Therese Moretto, and Norah K. Kwagala. Journal of Geophysical Research (Space Physics), 126(2):e28456, February 2021.
Bifurcated current sheet observed on the boundary of Kelvin-Helmholtz vortices
K. J. Hwang, K. Dokgo, E. Choi, J. L. Burch, D. G. Sibeck, B. L. Giles, C. Norgren, T. K. M. Nakamura, D. B. Graham, Y. Khotyaintsev, Q. Q. Shi, D. J. Gershman, C. J. Pollock, R. E. Ergun, R. B. Torbert, C. T. Russell, and R. J. Strangeway. Frontiers in Astronomy and Space Sciences, 8:201, November 2021.
Magnetospheric Multiscale Observations of an Expanding Oxygen Wave in Magnetic Reconnection
Håkon Midthun Kolstø, Cecilia Norgren, Michael Hesse, Li-Jen Chen, Paul Tenfjord, Susanne Flø Spinnangr, and Norah Kwagala. Geophysical Research Letters, 48(19):e95065, October 2021.
Magnetic Reconnection in a Sheared Magnetic Flux Tube: Slippage Versus Tearing
Hidetaka Kuniyoshi, Michael Hesse, Cecilia Norgren, Paul Tenfjord, and Norah Kaggwa Kwagala. Journal of Geophysical Research (Space Physics), 126(7):e29236, July 2021.
Upper-Hybrid Waves Driven by Meandering Electrons Around Magnetic Reconnection X Line
W. Y. Li, Yu V. Khotyaintsev, B. B. Tang, D. B. Graham, C. Norgren, A. Vaivads, M. André, A. Le, J. Egedal, K. Dokgo, K. Fujimoto, J. S. He, J. L. Burch, P. A. Lindqvist, R. E. Ergun, R. B. Torbert, O. Le Contel, D. J. Gershman, B. L. Giles, B. Lavraud, S. Fuselier, F. Plaschke, C. T. Russell, X. C. Guo, Q. M. Lu, and C. Wang. Geophysical Research Letters, 48(16):e93164, August 2021.
Quantification of cold-ion beams in a magnetic reconnection jet
Yu-Xuan Li, Wen-Ya Li, Bin-Bin Tang, C. Norgren, Jian-Sen He, Chi Wang, Qiu-Gang Zong, S. Toledo-Redondo, M. Andr ́e, C. Chappell, J. Dar- gent, S. A. Fuselier, A. Glocer, D. B. Graham, S. Haaland, L. Kistler, B. Lavraud, T. E. Moore, P. Tenfjord, S. K. Vines, and J. Burch. Frontiers in Astronomy and Space Sciences, 8:193, October 2021.
Comparing three approaches to the inducing source setting for the ground electromagnetic field modeling due to space weather events
Elena Marshalko, Mikhail Kruglyakov, Alexey Kuvshinov, Liisa Juusola, Norah Kaggwa Kwagala, Elena Sokolova, and Vyacheslav Pilipenko. Space Weather, 19(2):e2020SW002657, 2021. e2020SW002657 2020SW002657.
How does the magnetosphere go to sleep?
T. Moretto, M. Hesse, M. Kuznetsova, L. Rast ̈atter, S. Vennerstrøm, and P. Tenfjord. Journal of Atmospheric and Solar-Terrestrial Physics, 220:105626, 2021.
On the presence and thermalization of cold ions in the exhaust of antiparallel symmetric reconnection
Cecilia Norgren, Paul Tenfjord, Michael Hesse, Sergio Toledo- Redondo, Wen-Ya Li, Yin Xu, Norah Kaggwa Kwagala, Susanne Spinnangr, Håkon Kolstø, and Therese Moretto. Frontiers in Astronomy and Space Sciences, 8:149, September 2021.
Evolution of imf by induced asymmetries: The role of tail reconnection
A. Ohma, N. Østgaard, K. M. Laundal, J. P. Reistad, S. M. Hatch, and P. Tenfjord. Journal of Geophysical Research: Space Physics, 126(7):e2021JA029577, 2021. e2021JA029577 2021JA029577.
The Micro-Macro Coupling of Mass-Loading in Symmetric Magnetic Reconnection With Cold Ions
Susanne F. Spinnangr, Michael Hesse, Paul Tenfjord, Cecilia Norgren, Håkon M. Kolstø, Norah K. Kwagala, and Therese M. Jørgensen. Geophysical Research Letters, 48(13):e90690, July 2021.
Impacts of Ionospheric Ions on Magnetic Reconnection and Earth’s Magnetosphere Dynamics
S. Toledo-Redondo, M. André, N. Aunai, C. R. Chappell, J. Dargent, S. A. Fuselier, A. Glocer, D. B. Graham, S. Haaland, M. Hesse, L. M. Kistler, B. Lavraud, W. Li, T. E. Moore, P. Tenfjord, and S. K. Vines. Reviews of Geophysics, 59(3):e00707, September 2021.
Solar Wind—Magnetosphere Coupling During Radial Interplanetary Mag- netic Field Conditions: Simultaneous Multi-Point Observations
S. Toledo-Redondo, K. J. Hwang, C. P. Escoubet, B. Lavraud, J. Fornieles, N. Aunai, R. C. Fear, J. Dargent, H. S. Fu, S. A. Fuselier, K. J. Genestreti, Yu V. Khotyaintsev, W. Y. Li, C. Norgren, and T. D. Phan Journal of Geophysical Research (Space Physics), 126(11):e29506, November 2021.
Electron Scale Measurements of Antidipolarization Front
Yin Xu, Huishan Fu, Jinbin Cao, Chengming Liu, Cecilia Norgren, and Zuzheng Chen. Geophysical Research Letters, 48(6):e92232, March 2021.
High Density Magnetospheric He+ at the Dayside Magnetopause and Its Effect on Magnetic Reconnection
Fuselier, S. A. and Haaland, S. and Tenfjord, P. and Paschmann, G. and Toledo-Redondo, S. and Malaspina, D. and Kim, M. J. and Trattner, K. J. and Petrinec, S. M. and Giles, B. L. and Goldstein, J. and Burch, J. L. and Strangeway, R. J., Journal of Geophysical Research (Space Physics), 126(1):e8722, January 2021.
2020
Electron Bernstein waves driven by electron crescents near the electron diffusion region
Li, W. Y., Graham, D. B., Khotyaintsev, Y. V., Vaivads, A., André, M., Min, K., Liu, K., Tang, B. B., Wang, C., Fujimoto, K., Norgren, C., Toledo-Redondo, S., Lindqvist, P. A., Ergun, R. E., Torbert, R. B., Rager, A. C., Dorelli, J. C., Gershman, D. J., Giles, B. L., Lavraud, B., Plaschke, F., Magnes, W., Le Contel, O., Russell, C. T., and Burch, J. L. (2020). Nature Communications, 11:141.
Electron Heating by Debye-Scale Turbulence in Guide- Field Reconnection
Khotyaintsev, Y. V., Graham, D. B., Steinvall, K., Alm, L., Vaivads, A., Joh- lander, A., Norgren, C., Li, W., Divin, A., Fu, H. S., Hwang, K. J., Burch, J. L., Ahmadi, N., Le Contel, O., Gershman, D. J., Russell, C. T., and Torbert, R. B. (2020). Physical Review Letters, 124(4):045101.
Cluster and MMS simultaneous observations of magnetosheath high speed jets and their impact on the magnetopause
Escoubet, C. P., Hwang, K. J., Toledo-Redondo, S., Turc, L., Haaland, S. E., Aunai, N., Dargent, J., Eastwood, J. P., Fear, R. C., Fu, H., Genestreti, K. J., Graham, D. B., Khotyaintsev, Y. V., Lapenta, G., Lavraud, B., Norgren, C., Sibeck, D. G., Varsani, A., Berchem, J., Dimmock, A. P., Paschmann, G., Dunlop, M., Bogdanova, Y. V., Roberts, O., Laakso, H., Masson, A., Taylor, M. G. G. T., Kajdiˇc, P., Carr, C., Dandouras, I., Fazakerley, A., Nakamura, R., Burch, J. L., Giles, B. L., Pollock, C., Russell, C. T., and Torbert, R. B. (2020). Frontiers in Astronomy and Space Sciences, 6:78.
A new Look at the Electron Diffusion Region in Asymmetric Magnetic Reconnection
Michael Hesse, Cecilia Norgren, Paul Tenfjord, James L Burch, Yi-Hsin Liu, Naoki Bessho, Li-Jen Chen, Shan Wang, Håkon Kolstø, Susanne F Spinnangr, Robert E Ergun, Therese Moretto, Norah K Kwagala.
On the Impact of a Streaming Oxygen Population on Collisionless Magnetic Reconnection
H. Kolstø, M. Hesse, S. Spinnangr, C. Norgren, P. Tenfjord, and Norah Kwagala. Geophysical Research Letters, 2020
Time-scale dependence of solar wind-based regression models of ionospheric electrodynamics
Laundal, K.M., Reistad, J.P., Hatch, S.M., Tenfjord, P., et al. Time-scale dependence of solar wind-based regression models of ionospheric electrodynamics. Sci Rep 10, 16406 (2020)
Validating the Space Weather Modeling Framework (SWMF) for applications in northern Europe: Ground magnetic perturbation validation
Norah Kaggwa Kwagala, Michael Hesse, Therese Moretto, Paul Tenfjord, Cecilia Norgren, Gabor Tóth, Tamas Gombosi, Håkon M Kolstø, Susanne F Spinnangr. Journal of Space Weather and Space Climate, 2020
Tenfjord et al. (2020) covering the front page of JGR.
Interaction of cold streaming protons with the reconnection process
P. Tenfjord, M. Hesse, S. Spinnangr, C. Norgren, H. Kolstø and Norah Kwagala. Journal of Geophysical Research: Space Physics, 2020
Electron Acceleration and Thermalization at Magnetotail Separatrices
C. Norgren, M. Hesse, D.B. Graham, Yu.V. Khotyaintsev, P. Tenfjord, A. Vaivads, K. Steinvall, Y. Xu, D.J. Gershman, P.‐A. Lindqvist, F. Plaschke, J.L. Burch. Journal of Geophysical Research: Space Physics, 2020
Characteristics of the flank magnetopause: MMS results
Haaland, S and Paschmann, G and Øieroset, M and Phan, T and Hasegawa, H and Fuselier, S and Constantinescu, V and Eriksson, S and Trattner, KJ and Fadanelli, S., Tenfjord P., et al., Journal of Geophysical Research: Space Physics, 2020
Collisionless Magnetic Reconnection in Asymmetric Oxygen Density Configuration
H. Kolstø, M. Hesse, S. Spinnangr, C, Norgren, P. Tenfjord, and N. Kwagala. Geophysical Research Letters, 2020
2019
Collisionless Magnetic Reconnection and Waves: Progress Review
Khotyaintsev YV, Graham DB, Norgren C and Vaivads A (2019). Front. Astron. Space Sci. 6:70.
The impact of oxygen on the reconnection rate
Tenfjord, P., Hesse, M., Norgren, C., Spinnangr, S. F., & Kolstø, H. (2019). Geophysical Research Letters, 46.
Ionospheric cold ions detected by MMS behind dipolarization fronts.
Xu, Y., Fu, H. S., Norgren, C., Toledo‐Redondo, S., Liu, C. M., & Dong, X. C. (2019) Geophysical Research Letters, 46.
MMS Measurements of the Vlasov Equation: Probing the Electron Pressure Divergence Within Thin Current Sheets
Shuster, J. R., Gershman, D. J., Chen, L. J., Wang, S., Bessho, N., Dorelli, J. C., da Silva, D. E., Giles, B. L., Paterson, W. R., Denton, R. E., Schwartz, S. J., Norgren, C., Wilder, F. D., Cassak, P. A., Swisdak, M., Uritsky, V., Schiff, C., Rager, A. C., Smith, S., Avanov, L. A., and Viñas, A. F. (2019). Geophysical Research Letters, 46(14): 7862–7872.
2018
The formation of an oxygen wave by magnetic reconnection
Tenfjord, P., Hesse, M., & Norgren, C. (2018). Journal of Geophysical Research: Space Physics, 123, 9370–9380.
On the role of separatrix instabilities in heating the reconnection outflow region
Hesse, M., C. Norgren, P. Tenfjord, J. L. Burch, Y.-H. Liu, L.-J. Chen, N. Bessho, S. Wang, R. Nakamura, J. P. Eastwood, M. Hoshino, R. B. Torbert, and R. E. Ergun (2018), Physics of Plasmas, 25(12), 122,902, doi:10.1063/1.5054100.
The physical foundation of the reconnection electric field
Hesse, M., Y.-H. Liu, L.-J. Chen, N. Bessho, S. Wang, J. L. Burch, T. Moretto, C. Norgren, K. J. Genestreti, T. D. Phan, and P. Tenfjord (2018), Physics of Plasmas, 25(3), 032,901, doi: 10.1063/1.5021461.
Electron reconnection in the magnetopause current layer
Norgren, C., Graham, D. B., Khotyaintsev, Y. V., André, M., Vaivads, A., Hesse, M., et al. (2018). Journal of Geophysical Research: Space Physics, 123.