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- W3198524478 abstract "Abstract In a recent work of Wu, Wang, Sun and Liu, a second-order explicit symplectic integrator was proposed for the integrable Kerr spacetime geometry. It is still suited for simulating the nonintegrable dynamics of charged particles moving around the Kerr black hole embedded in an external magnetic field. Its successful construction is due to the contribution of a time transformation. The algorithm exhibits a good long-term numerical performance in stable Hamiltonian errors and computational efficiency. As its application, the dynamics of order and chaos of charged particles is surveyed. In some circumstances, an increase of the dragging effects of the spacetime seems to weaken the extent of chaos from the global phase-space structure on Poincaré sections. However, an increase of the magnetic parameter strengthens the chaotic properties. On the other hand, fast Lyapunov indicators show that there is no universal rule for the dependence of the transition between different dynamical regimes on the black hole spin. The dragging effects of the spacetime do not always weaken the extent of chaos from a local point of view." @default.
- W3198524478 created "2021-09-13" @default.
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- W3198524478 date "2021-09-01" @default.
- W3198524478 modified "2023-10-18" @default.
- W3198524478 title "Applying explicit symplectic integrator to study chaos of charged particles around magnetized Kerr black hole" @default.
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- W3198524478 doi "https://doi.org/10.1140/epjc/s10052-021-09579-7" @default.
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