Interplay between the Weibel instability and the Biermann battery in realistic laser-solid interactions

Abstract

A novel setup allows the Weibel instability and its interplay with the Biermann battery to be probed in laser-driven collisionless plasmas. Ab initio particle-in-cell (PIC) simulations of the interaction of short ($\le ps$) intense $(a_0\ge 1)$ laser-pulses with overdense plasma targets show observable Weibel generated magnetic fields. This field strength surpasses that of the Biermann battery, usually dominant in experiments, as long as the gradient scale length is much larger than the local electron inertial length; this is achievable by carefully setting the appropriate gradients in the front of the target e.g. by tuning the delay between the main laser pulse and the pre-pulse.

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Cited by in corpus (9)

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• Machine Learning-based models in particle-in-cell codes for advanced physics extensions
• Slowdown of interpenetration of two counterpropagating plasma slab due to collective effects
• Positron acceleration in plasma waves driven by non-neutral fireball beams
• Electron Weibel instability and~quasi-magnetostatic structures in~an~expanding collisionless plasma