Recalculation of initial conditions when the trajectory of a charged particle crosses the boundary with а jump of electric and magnetic field. II. Magnetic field

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When the trajectories of charged particles in electric fields and/or magnetic fields are simulated, sometimes the case occurs when the trajectory crosses the line with a jump of the electric or magnetic field. It is necessary to recalculate carefully the coordinates and the velocities of the charged particle not to produce strange numerical artifacts like the violation of the conservation of energy. This paper introduces and proves mathematically strictly the expressions how to recalculate the coordinates and the velocities of the charged particle when the trajectory intersects with the boundary of the jump of electric and magnetic fields with a weak singularity.

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Numerical solutions of differential equations, trajectrory tracing in pulsed electric fields, artifacts of numerical algorithms

Короткий адрес: https://sciup.org/14264969

IDR: 14264969

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