Publications of M. Borchardt

Journal Article (51)

1.
Journal Article
Kuczynski, M. D.; Kleiber, R.; Smith, H. M.; Helander, P.; Beidler, C. D.; Wappl, M.; Borchardt, M.; Geiger, J.; Bozhenkov, S.; Langenberg, A. et al.: Assessment of validity of local neoclassical transport theory for studies of electric-field root-transitions in the W7-X stellarator. Nuclear Fusion 65, 016019 (2025)
2.
Journal Article
Riemann, J.; Vaz Mendes, S.; Rahbarnia, K.; Kleiber, R.; Slaby, C.; Könies, A.; Borchardt, M.; Mishchenko, A.; Thomsen, H.; Büschel, C. et al.: Excitation of Alfvénic Modes via Electromagnetic Turbulence in Wendelstein 7-X. Physical Review Letters 134, 025103 (2025)
3.
Journal Article
Slaby, C.; Kleiber, R.; Könies, A.; Wolf, M. I., M.I.; Borchardt, M.: A model for Alfvén-eigenmode-induced transport of fast ions in stellarators. Nuclear Fusion 65, 036016 (2025)
4.
Journal Article
Büschel, C.; Kleiber, R.; Könies, A.; Drevlak, M.; Borchardt, M.; Rahbarnia, K.; Thomsen, H.; Vaz Mendes, S.; Brandt, C.; Knauer, J. et al.: Synthetic Mirnov diagnostic for the validation of experimental observations. Review of Scientific Instruments 95, 023506 (2024)
5.
Journal Article
Grulke, O.; Albert, C.; Alcuson Belloso, J. A.; Aleynikov, P.; Aleynikova, K.; Alonso, A.; Anda, G.; Andreeva, T.; Arvanitou, M.; Ascasibar, E. et al.: Overview of the first Wendelstein 7-X long pulse campaign with fully water-cooled plasma facing components. Nuclear Fusion 64, 112002 (2024)
6.
Journal Article
Kleiber, R.; Borchardt, M.; Hatzky, R.; Könies, A.; Leyh, H.; Mishchenko, A.; Riemann, J.; Slaby, C.; Garcia-Regana, J. M.; Sanchez, E. et al.: EUTERPE: A global gyrokinetic code for stellarator geometry. Computer Physics Communications 295, 109013 (2024)
7.
Journal Article
Kuczynski, M. D.; Kleiber, R.; Smith, H. M.; Beidler, C. D.; Borchardt, M.; Geiger, J.; Helander, P.: Self-consistent, global, neoclassical radial-electric-field calculations of electron-ion-root transitions in the W7-X stellarator. Nuclear Fusion 64, 046023 (2024)
8.
Journal Article
Mishchenko, A.; Biancalani, A.; Borchardt, M.; Bottino, A.; Briguglio, S.; Dumont, R.; Ferreira, J.; Graves, J. P.; Hayward-Schneider, T.; Kleiber, R. et al.: Numerical tools for burning plasmas. Plasma Physics and Controlled Fusion 65, 064001 (2023)
9.
Journal Article
Mishchenko, A.; Borchardt, M.; Hatzky, R.; Kleiber, R.; Könies, A.; Nührenberg, C.; Xanthopoulos, P.; Roberg-Clark, G.; Plunk, G. G.: Global gyrokinetic simulations of electromagnetic turbulence in stellarator plasmas. Journal of Plasma Physics 89 (3), 955890304 (2023)
10.
Journal Article
Sanchez, E.; Banon Navarro, A.; Wilms, F.; Borchardt, M.; Kleiber, R.; Jenko, F.: Instabilities and turbulence in stellarators from the perspective of global codes. Nuclear Fusion 63, 046013 (2023)
11.
Journal Article
Vaz Mendes, S.; Rahbarnia, K.; Slaby, C.; Thomsen, H.; Schilling, J.; Borchardt, M.; Kleiber, R.; Könies, A.; Bähner, J.-P.; Stechow, A. v. et al.: Broadband Alfvénic excitation correlated to turbulence level in the Wendelstein 7-X stellarator plasmas. Nuclear Fusion 63, 096008 (2023)
12.
Journal Article
Kuczynski, M. D.; Borchardt, M.; Kleiber, R.; Könies, A.; Nührenberg, C.: Magnetohydrodynamic eigenfunction classification with a Neural Network. Journal of Computational and Applied Mathematics 406, 113889 (2022)
13.
Journal Article
Mishchenko, A.; Bottino, A.; Hayward-Schneider, T.; Poli, E.; Wang, X.; Kleiber, R.; Borchardt, M.; Nührenberg, C.; Biancalani, A.; Könies, A. et al.: Gyrokinetic particle-in-cell simulations of electromagnetic turbulence in the presence of fast particles and global modes. Plasma Physics and Controlled Fusion 64, 104009 (2022)
14.
Journal Article
Pedersen, T. S.; Abramovic, I.; Agostinetti, P.; Agredano Torres, M.; Äkäslompolo, S.; Alcuson Belloso, J.; Aleynikov, P.; Aleynikova, K.; Alhashimi, M.; Ali, A. et al.: Experimental confirmation of efficient island divertor operation and successful neoclassical transport optimization in Wendelstein 7-X. Nuclear Fusion 62, 042022 (2022)
15.
Journal Article
Riemann, J.; Kleiber, R.; Borchardt, M.; Slaby, C.: Microinstability simulations for stellarators involving kinetic electrons and realistic profiles. Plasma Physics and Controlled Fusion, 104004 (2022)
16.
Journal Article
Beidler, C. D.; Smith, H. M.; Alonso, A.; Andreeva, T.; Baldzuhn, J.; Beurskens, M. N. A.; Borchardt, M.; Bozhenkov, S. A.; Brunner, K. J.; Damm, H. et al.: Demonstration of reduced neoclassical energy transport in Wendelstein 7-X. Nature 596, pp. 221 - 226 (2021)
17.
Journal Article
Kleiber, R.; Borchardt, M.; Könies, A.; Slaby, C.: Modern methods of signal processing applied to gyrokinetic simulations. Plasma Physics and Controlled Fusion 63, 035017 (2021)
18.
Journal Article
Mishchenko, A.; Biancalani, A.; Bottino, A.; Hayward-Schneider, T.; Lauber, P.; Lanti, E.; Villard, L.; Kleiber, R.; Könies, A.; Borchardt, M.: Numerics and computation in gyrokinetic simulations of electromagnetic turbulence with global particle-in-cell codes. Plasma Physics and Controlled Fusion 63, 084007 (2021)
19.
Journal Article
Rahbarnia, K.; Thomsen, H.; Schilling, J.; Mendes, S. v.; Endler, M.; Kleiber, R.; Könies, A.; Borchardt, M.; Slaby, C.; Bluhm, T. et al.: Alfvénic fluctuations measured by in-vessel Mirnov coils at the Wendelstein 7-X stellarator. Plasma Physics and Controlled Fusion 63, 015005 (2021)
20.
Journal Article
Zocco, A.; Mishchenko, A.; Nührenberg, C.; Könies, A.; Kleiber, R.; Borchardt, M.; Slaby, C.; Zanini, M.; Stange, T.; Laqua, H. P. et al.: W7-X and the sawtooth instability: towards realistic simulations of current-driven magnetic reconnection. Nuclear Fusion 61, 086001 (2021)