One-dimensional electromagnetic relativistic PIC-hydrodynamic hybrid simulation code H-VLPL (hybrid virtual laser plasma lab)

Abstract

In this paper we present a new one dimensional full electromagnetic relativistic hybrid plasma model. The full kinetic particle-in cell (PIC) and hydrodynamic model have been combined in the single hybrid plasma code H-VLPL (hybrid virtual laser plasma laboratory). The semi-implicit algorithm allows to simulate plasmas of arbitrary densities via automatic reduction of the highest plasma frequencies down to the numerically stable range. At the same time, the model keeps the correct spatial scales like the plasma skin depth. We discuss the numerically efficient implementation of this model. Further, we carefully test the hybrid model validity by applying it to a series of physical examples. The new mathematical method allows to overcome the typical time step restrictions of explicit PIC codes.

Particle-in-cell modeling of relativistic laser–plasma interaction with the adjustable-damping, direct implicit method

“…The simplest way to do so is to suppress high-frequency processes within the mathematical model itself. Codes based on the Darwin-field approximation [3,4], gyrokinetic equations [5] or hybrid particle-fluid models [6][7][8][9][10] rely precisely on such an approach. The shortcoming inherent in these codes is the somewhat uncertain domain of validity of their basic assumptions.…”

Three-Dimensional Relativistic Particle-in-Cell Hybrid Code Based on an Exponential Integrator

“…Recently, we have presented a 1D version of the code Hybrid Virtual Laser Plasma Laboratory (H-VLPL) [16] that unites a hydrodynamic model for overdense plasmas and the full kinetic description of hot low-density electrons and ions. In this code, the linear plasma response was simulated using an implicit scheme.…”