Generalized, Energy-conserving Numerical Simulations of Particles in General Relativity. II. Test Particles in Electromagnetic Fields and GRMHD
Authors: F. Bacchini, B. Ripperda, O. Porth, and L. Sironi
2019 The Astrophysical Journal Supplement Series24040.
Provider: AAS Journals
Caption: Figure 2.
Simulation of orbit RKA3 as in Figure 1, projected onto the φ = 0 plane, obtained with the four integration methods. A spurious damping of the particle gyration is observed in the RK4 run, due to unbounded energy errors and lack of symplecticity.