Available particle pushers:

• Boris (See G.L. Delzanno, E. Camporeale / JCP 253 (2013) 259-277) :
  • boris_all_initial_half_step_backwards_RZPhi(particle, mass, fields, time, timestep)
  • boris_push_cylindrical(particle, mass, E, B, timestep)
• Runge Kutta (C. Sommariva et al., Nucl. Fusion 58 (2018) 016043)
  • runge_kutta_fixed_dt_relativistic_particle_push_jorek(fields,time,timestep,mass,particle)
  • runge_kutta_fixed_dt_gc_push_jorek_radreact(fields,t,dt,mass,particle)
• Volume preserving scheme (see R. Zhang et al., Phys. Plasmas 22 (2015) 044501, C. Sommariva et al., Nucl. Fusion 58 (2018) 016043)
  • volume_preserving_push_jorek(particle,fields,mass,time,timestep,ifail)
  • volume_preserving_radiation_push_jorek(particle,fields,mass,time,timestep,ifail)

For more information on the pushers that can be used for runaway electrons and inlcuding the effect of Coulomb collisions into the pushing, please see Runaway electron physics in the particle tracer.