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physics.comp-ph2024
Moment-preserving Monte-Carlo Coulomb collision method for particle codes
Justin Ray Angus, Yichen Fu, Vasily Geyko +2
Binary-pairing Monte-Carlo methods are widely used in particle-in-cell codes to capture effects of small angle Coulomb collisions. These methods preserve momentum and energy exactl…
physics.comp-ph2020★ 7 cited
Simulating Pitch Angle Scattering Using An Explicitly Solvable Energy Conserving Algorithm
Xin Zhang, Yichen Fu, Hong Qin
Particle distribution functions evolving under the Lorentz operator can be simulated with the Langevin equation for pitch angle scattering. This approach is frequently used in part…