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PUBLICATIONS

2026

  • Corti, C., Kuznetsova, M.M., Reiss, M.A., Yue, J., Karpen, J., Arge, C.N., Bacchini, F., Bard, C., Bruinsma, S., Caplan, R.M., Daldorff, L.K.S., Deka, P.J., DeVore, C.R., Elvidge, S., Ganushkina, N., Huba, J.D., Jackson, B.V., Jordanova, V., Linker, J.A., Liu, H., Luhmann, J.G., Markidis, S., Mayank, P., Merkin, V., Moens, N., Odstrcil, D., Omelchenko, Y.A., Palmroth, M., Poedts, S., Ridley, A.J., Shou, Y., Tenishev, V., Themens, D.R., Toth, G., Wang, W., Wilhelm, R.-P., Young, M.A., Cecconi, B., Chou, M.-Y., De Zeeuw, D., Delzanno, G.L., Didigu, C., El Alaoui, M., Fung, S., Green, J., Huang, Z., Jian, L.K., Landwer, L.J., Lesko, M., MacNeice, P., Masson, A., Mays, M.L., Mehta, P.M., Miesch, M.S., Palmerio, E., Petrenko, M., Provornikova, E., Rastaetter, L., Rusaitis, L., Sachdeva, N., Samara, E., Sur, D., Taktakishvili, A., Topper, J., Tsui, T., Verbeke, C., Wang, J., Wiegand, C., Wiltberger, M., Zheng, Y., Bisi, M.M., Georgoulis, M.K., Kodikara, T., Pulkkinen, T., Chartier, A., da Silva, D., Faturahman, A., Garcia-Sage, K., Kondrashov, D., Ledvina, V.E., Liu, W., Pandey, C., Resnick, E., Shi, C., Weigel, R.S., Whitman, K., Zakharenkova, I., Zhang, K. (2026), Advancing Heliophysics and Space Weather Modeling through Open Science, submitted to Space Weather. Preprint: 10.22541/essoar.176824639.92354528/v1

  • Mora, C., Bacchini, F., Keppens, R. (2026), Non-thermal electron acceleration in turbulent, post-flare coronal loops, A&A 706, A32. DOI: 10.1051/0004-6361/202557693. Preprint: arXiv:2510.18742

  • Pezzini, L., Bacchini, F., Zhukov, A.N., Arrò, G., López, R.A. (2026), Alpha Core-Beam Origin in Low-β Solar Wind Plasma: Insights from Fully Kinetic Simulation, ApJ 997, 158. DOI: 10.3847/1538-4357/ae27a3; Preprint: arXiv:2510.24274

2025

  • Krah, P., Lin, Z., Wilhelm, R.-P., Bacchini, F., Nave, J.-C., Grandgirard, V., and Schneider, K., A Hybrid Semi-Lagrangian Flow Mapping Approach for Vlasov Systems: Combining Iterative and Compositional Flow Maps, submitted to SIAM Journal on Scientific Computing

  • Wilhelm, R.-P., Bacchini, F. (2025), High fidelity simulations of the multi-species Vlasov-Maxwell system with the Numerical Flow Iteration, submitted to Journal of Physics: Conference Series. Preprint: arXiv:2511.23286

  • Shukla, N., Karademir, G.S., Rezzolla, L., Bacchini, F., Truzzi, S., Mignone, A., Dolag, K., Tornatore, L., Riha, L., Taffoni, G. (2025), Accelerating Discoveries with Exascale Computing in Astrophysics, Cosmology, and Space Plasma Physics, submitted to Nature Astronomy

  • Wilhelm, R.-P., Bacchini, F., Schöps, S., Torrilhon, M., Merkel, M., Kirchhart, M. (2025), Extending the Numerical Flow Iteration to the multi-species Vlasov-Maxwell system through Hamiltonian Splitting, submitted to JCP. Preprint: arXiv:2511.11322

  • Lin, R., Bacchini, F., He, J., Pezzini, L., Peng, J. (2025), Generation of proton beams at switchback boundary-like rotational discontinuities in the solar wind, submitted to ApJ. Preprint: arXiv:2512.10406

  • Reisinger, N., Bacchini, F. (2025), Comparing Simulated and Observed Particle Energy Distributions through Magnetic Reconnection in Earth's Magnetotail, accepted in A&A:L. Preprint: arXiv:2509.07621

  • Schoeffler, K.M., Bacchini, F., Kormann, K., Eichmann, B., Innocenti, M.E. (2025), Energetic spectra from semi-implicit particle-in-cell simulations of magnetic reconnection, Scientific Reports 15, 4426. DOI: 10.1038/s41598-025-32830-0; Preprint: arXiv:2509.11100

  • Granier, C., Grošelj, D., Comisso, L., Bacchini, F. (2025), Driven Collisionless Reconnection of Force-free Flux Tubes: From Onset to Coalescence, ApJ 992 193. DOI: 10.3847/1538-4357/ae0738; Preprint: arXiv:2506.06059

  • Lapenta, G., Berchem, J., El-Alaoui, M., Walker, R., Aravindakshan, H., Reisinger, N., Pucci, F., Arrò, G., Bacchini, F. (2025), A Lagrangian-Frame Technique for Investigating Plasma Turbulence in Complex Underlying System-Scale Structures, Fundamental Plasma Physics 15, 100099. DOI: 10.1016/j.fpp.2025.100099

  • Grehan, M.P., Ghosal, T., Beattie, J.R., Ripperda, B., Porth, O., Bacchini, F. (2025), Comparison of magnetic diffusion and reconnection in ideal and resistive relativistic magnetohydrodynamics, ideal magnetodynamics and resistive force-free electrodynamics, PRD 112, 063046. DOI: 10.1103/8xf2-x2nq; Preprint: arXiv:2503.20013

  • Shukla, N., Romeo, A., Caravita, C., Redenti, M., Vavrik, R., Riha, L., Mignone, A., Rossazza, M., Truzzi, S., Tornatore, L., Ragagnin, A., Castro, T., Karademir, G.S., and Dolag, K., Deka, P.J., Bacchini, F., Wilhelm, R.-P., Gregori, D., Boella, E. (2025), Towards Exascale Computing for Astrophysical Simulation Leveraging the Leonardo EuroHPC System, Procedia Computer Science 267, 112. DOI: 10.1016/j.procs.2025.08.238; Preprint: arXiv:225484

  • Bacchini, F., Werner, G.R., Granier, C., Vos, J. (2025), Three-dimensional Dynamics of Strongly Magnetized Ion-Electron Relativistic Reconnection, ApJL 991, L9. DOI:  DOI: 10.3847/2041-8213/ae0197; Preprint: arXiv:2507.12509

  • Gorbunov, E.A., Grošelj, D., Bacchini, F. (2025), Leaking Outside the Box: Kinetic Turbulence with Cosmic-Ray Escape, PRL 135, 065201. DOI: 10.1103/3777-z37m; Preprint: arXiv:2503.03820 [Note: PRL Editor’s Suggestion]

  • Shukla, N., Romeo, A., Caravita, C., Riha, L., Vysocky, O., Strakos, P., Jaros, M., Barbosa, J., Vavrik, R., Mignone, A., Rossazza, M., Truzzi, S., Berta, V., Colonnelli, I., Medić, D., Boella, E., Gregori, D., Sciacca, E., Tornatore, L., Taffoni, G., Deka, P.J., Bacchini, F., Wilhelm, R.-P., Doulis, G., Pierre, K., Rezzolla, L., Colman, T., Commerçon, B., Bouizi, O., Kuhn, M., Raffin, E., Sergent, M., Wissing, R., Marin, G., Dolag, K., Karademir, G.S., Perna, G., Zanotti, M., Trujillo-Gomez, S. (2025), EuroHPC SPACE CoE: Redesigning Scalable Parallel Astrophysical Codes for Exascale. Invited Paper, Proceedings of the 22nd ACM International Conference on Computing Frontiers: Workshops and Special Sessions 177, 8. DOI: 10.1145/3706594.3728892

  • Maci, D., Keppens, R., Bacchini, F. (2025), Toward applications of the BxC toolkit, J. Phys.: Conf. Ser. 2997,  012003. DOI: 10.1088/1742-6596/2997/1/012003

  • Péters de Bonhome, M., Pierrard, V., Bacchini, F. (2025), A Kinetic Model of Solar Wind Acceleration Driven by Ambipolar Electric Potential and Velocity-Space Diffusion, A&A 679, A104. DOI: 10.1051/0004-6361/202554250; Preprint: arXiv:2502.18132

  • Zou, M., Hakobyan, H., Mbarek, R., Ripperda, B., Bacchini, F., Sironi, L. (2025), New Particle Pusher with Hadronic Interactions for Modeling Multimessenger Emission from Compact Objects, PRD 111, 083032. DOI: PhysRevD.111.083032; Preprint: arXiv:2410.22781

  • Gorbunov, E. A., Bacchini, F., Zhdankin, V., Werner, G. R., Begelman, M. C., Uzdensky, D. A. (2025), First-principles measurement of ion and electron energization in collisionless accretion flow, ApJL 982, L28. DOI: 10.3847/2041-8213/adbca4; Preprint: arXiv:2410.02872

  • Baratashvili, T., Popescu Braileanu, B., Bacchini, F., Keppens, R., Poedts​, S. (2025), Icarus 3.0: Dynamic Heliosphere Modelling, A&A 694, A306. DOI: 10.1051/0004-6361/202452705; Preprint: arXiv:2501.15923

  • Scolini, C., Lugaz, N., Winslow, R. M., Farrugia, C. J. Magyar, N., Bacchini, F., Zhuang, B. (2025), Can Alfvénic Fluctuations Affect the Coherence and Complexity of Magnetic Ejecta: A Case Study Based on Multi-Spacecraft Measurements at 1 au, ApJ 978, 146. DOI: 10.3847/1538-4357/ad9a55; Preprint: arXiv:2412.08008

2024

  • Pezzini, L., Zhukov, A. N.,  Bacchini, F., Arrò, G., López, R. A., Micera, A., Innocenti, M. E., Lapenta, G. (2024), Fully Kinetic Simulations of Proton-Beam-Driven Instabilities from Parker Solar Probe Observations, ApJ 975, 37. DOI: 10.3847/1538-4357/ad7465; Preprint: arXiv:2405.08196

  • Bacchini, F., Zhdankin, V., Gorbunov, E. A., Werner, G. R., Arzamasskiy, L., Begelman, M. C., Uzdensky, D. A. (2024), Collisionless Magnetorotational Turbulence in Pair Plasmas: Steady-state Dynamics, Particle Acceleration, and Radiative Cooling, PRL 133, 045202. DOI: 10.1103/PhysRevLett.133.045202; Preprint: arXiv:2401.01399 [Note: PRL Editor’s Suggestion]

  • Maci, D., Keppens, R., Bacchini, F. (2024), BxC Toolkit: Generating Tailored Turbulent 3D Magnetic Fields, ApJS 273, 11. DOI: 10.3847/1538-4365/ad4bdf; Preprint: arXiv:2405.09587 [Note: Highlighted in AAS NOVA]

  • Ferro, S., Faganello, M., Califano, F., Bacchini, F. (2024), Comparative simulations of Kelvin-Helmholtz induced magnetic reconnection at the Earth’s magnetospheric flanks, PoP 31, 052902. DOI: 10.1063/5.0191674; Preprint: arXiv:2312.11161

  • Croonen, J., Pezzini, L., Bacchini, F., Lapenta, G. (2024), An Exactly Energy-conserving Electromagnetic Particle-in-Cell Method in Curvilinear Coordinates, ApJS 271, 63. DOI: 10.3847/1538-4365/ad31a3; Preprint: arXiv:2310.17253

  • Sandoval, A., Riquelme, M., Sptikovsky, A., Bacchini, F. (2024), Particle-in-cell Simulations of the Magnetorotational Instability in Stratified Shearing Boxes, MNRAS 530, 2. DOI: 10.1093/mnras/stae959; Preprint: arXiv:2308.12348

  • Bacchini, F., Ruan, W., Keppens, R. (2024), Particle Trapping and Acceleration in Turbulent Post-flare Coronal Loops, MNRAS 529, 3. DOI: 10.1093/mnras/stae723; Preprint: arXiv:2403.07107

  • Bacchini, F. & Philippov, A. A. (2024), Fundamental, Harmonic, and Third-harmonic Plasma Emission from Beam-plasma Instabilities: A First-principles Precursor for Astrophysical Radio Bursts, MNRAS 529, 1. DOI: 10.1093/mnras/stae521; Preprint: arXiv:2402.11011

  • Scolini, C., Lugaz, N., Winslow, R. M., Farrugia, C. J., Magyar, N., Bacchini, F. (2024), On the Role of Alfvénic Fluctuations as Mediators of Coherence within Interplanetary Coronal Mass Ejections: Investigation of Multi-Spacecraft Measurements at 1 au, ApJ 961, 135. DOI: 10.3847/1538-4357/ad0ed1; Preprint: arXiv:2312.04480

2023

  • Bacchini, F. (2023), RelSIM: A Relativistic Semi-Implicit Method for Particle-in-Cell Simulations, ApJS 268, 60. DOI: 10.3847/1538-4365/acefba; Preprint: arXiv:2306.04685

  • Selvi, S., Porth, O., Ripperda, B., Bacchini, F., Sironi, L., Keppens, R. (2023), Effective resistivity in relativistic collisionless plasmoid-mediated reconnection, ApJ 950, 169. DOI: 10.3847/1538-4357/acd0b; Preprint: arXiv:2211.04553

  • Staelens, S., Mayerson, D. R., Bacchini, F., Ripperda, B., Küchler, L. (2023), Black Hole Photon Rings Beyond General Relativity, PRD 107, 124026. DOI: 10.1103/PhysRevD.107.124026; Preprint: arXiv:2303.02111

  • Keppens, R., Popescu Braileanu, B., Zhou, Y., Ruan, W., Xia, C., Guo, Y., Claes, N., Bacchini, F. (2023), MPI-AMRVAC 3.0: updates to an open-source simulation framework, A&A 673, A66. DOI: 10.1051/0004-6361/202245359; Preprint: arXiv:2303.03026

  • Galishnikova, A., Philippov, A. A., Quataert, E., Bacchini, F., Parfrey, K., Ripperda, B. (2023), Collisionless accretion onto black holes: Dynamics and flares, PRL 130, 115201. DOI: 10.1103/PhysRevLett.130.115201; Preprint: arXiv:2212.02583

2022

  • Bacchini, F., Arzamasskiy, L., Zhdankin, V., Werner, G. R., Begelman, M. C., Uzdensky, D. A. (2022), Fully kinetic shearing-box simulations of magnetorotational turbulence in 2D and 3D. I. Pair plasmas, ApJ, 938, 86. DOI: 10.3847/1538-4357/ac8a94; Preprint: arXiv:2206.07061

  • Bacchini, F., Pucci, F., Malara, F., Lapenta, G. (2022), Kinetic heating by Alfvén waves in magnetic shears, PRL, 128, 025101. DOI: 10.1103/PhysRevLett.128.025101; Preprint: arXiv:2112.00768​

2021

  • Bacchini, F., Mayerson, D. R., Ripperda, B., Davelaar, J., Olivares, H., Vercnocke, B., Hertog, T. (2021), Fuzzball Shadows: Emergent Horizons from Microstructure, PRL, 127, 171601. DOI: 10.1103/PhysRevLett.127.171601; Preprint: arXiv:2103.12075

  • Zhao, X., Bacchini, F., Keppens, R. (2021), Magnetic Island Merging: Two-dimensional MHD Simulation and Test-Particle Modeling, PoP, 28, 9. DOI: 10.1063/5.0058326; Preprint: arXiv:2108.13508

2020

2019

  • Ripperda, B., Bacchini, F., Porth, O., Most, E., Olivares, H., Nathanail, A., Rezzolla, L., Teunissen, J., Keppens, R. (2019), General-relativistic resistive magnetohydrodynamics with robust primitive-variable recovery for accretion disk simulations, ApJS, 244, 10. DOI: 10.3847/1538-4365/ab3922; Preprint: arXiv:1907.07197 [Note: Shared main-authorship]

  • Bacchini, F., Amaya, J., Lapenta, G. (2019), The relativistic implicit Particle-in-Cell method, J. Phys: Conf. Ser. 1225, 012011. DOI: 10.1088/1742-6596/1225/1/012011

  • Bacchini, F., Ripperda, B., Porth, O., Sironi, L. (2019), Generalized, energy-conserving numerical simulations of particles in general relativity. II. Test particles in electromagnetic fields and GRMHD, ApJS, 240, 40. DOI: 10.3847/1538-4365/aafcb3; Preprint: arXiv:1810.00842

  • Bemporad, A., Susino, R., Frassati, F., Mancuso, S., Lapenta, G., Bacchini, F. (2019), Determination of plasma physical properties across collisionless shocks driven by solar eruptions, Proceedings 46th EPS Conference on Plasma Physics. Full text: ocs.ciemat.es/EPS2019PAP/pdf/O2.J802.pdf

  • Olshevsky, V., Bacchini, F., Poedts, S., Lapenta, G. (2019), Slurm: Magnetohydrodynamic Particle-in-cell model of plasma, CPC, 235, 16. DOI: 10.1016/j.cpc.2018.06.014; Preprint: arXiv:1802.08838

​2018

  • Bacchini, F., Ripperda, B., Chen, Y., Sironi, L. (2018), Generalized, energy-conserving numerical simulations of particles in general relativity. I. Time-like and null geodesics, ApJS, 237, 6. DOI: 10.3847/1538-4365/aac9ca; Preprint: arXiv:1801.02378

  • Ripperda, B., Bacchini, F., Teunissen, J., Xia, C., Porth, O., Sironi, L., Lapenta, G., Keppens, R. (2018), A comprehensive comparison of relativistic particle integrators, ApJS, 235, 21. DOI: 10.3847/1538-4365/aab114; Preprint: arXiv:1710.09164

2017

  • Bacchini, F., Olshevsky, V., Poedts, S., Lapenta, G. (2017), A new Particle-in-Cell method for modeling magnetized fluids, CPC, 210, 79. DOI: 10.1016/j.cpc.2016.10.001

2016

  • Bacchini, F., Olshevsky, V., Lapenta, G. (2016), An innovative, particle-supported Lagrangian method for MHD plasma simulations, Proceedings EPS 43rd Conference on Plasma Physics. Full text: ocs.ciemat.es/EPS2016PAP/pdf/P1.096.pdf

2015

  • Bacchini, F., Susino, R., Bemporad, A., Lapenta, G. (2015), Plasma Physical Parameters along CME-driven Shocks. II. Observation-simulation comparison, ApJ, 809, 58. DOI: 10.1088/0004-637X/809/1/58
     

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