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physics.plasm-ph2026
An explicit, energy-conserving particle-in-cell scheme for relativistic plasmas
Lee Ricketson, Jingwei Hu
We extend the recently-developed explicit, energy-conserving particle-in-cell (PIC) scheme of [1] to the relativistic Vlasov-Maxwell system. As in the non-relativistic case, the me…
physics.plasm-ph2026
Comment on "Impact of particle number and cell-size in fully implicit charge- and energy-conserving particle-in-cell schemes" by N. Savard et al., Phys. Plasmas 32, 073903 (2025)
Luis Chacon, Guangye Chen, Lee Ricketson
We take issue with the conclusions in the recent publication by Savard et al. In the study, the authors implement a fully nonlinear charge- and energy-conserving implicit particle-…
physics.plasm-ph2025
An Explicit Energy-Conserving Particle Method for the Vlasov-Fokker-Planck Equation
Jiyoung Yoo, Jingwei Hu, Lee F. Ricketson
We propose an explicit particle method for the Vlasov-Fokker-Planck equation that conserves energy at the fully discrete level. The method features two key components: a determinis…