Laser-Driven Shock Acceleration Of Quasi-Monoenergetic Ions In The Ultra-Relativistic Regime: QED Effects, Radiation Reaction And Pair Plasma Formation

2019-02-05 Shikha Bhadoria, Max Planck Institute for Nuclear Physics, Heidelberg, Germany

ABSTRACT :

The effect of quantum electrodynamic effects like radiation reaction and pair production on shock formation and subsequent ion acceleration from laser-plasma interaction are explored by means of particle-in-cell simulations. In this setup, the incident laser pushes the laser-plasma interface inside the plasma target through the hole-boring effect and generates hot electrons. The propagation of these hot electrons inside the target excites a return plasma current, leading to filamentary structures caused by the Weibel/filamentation instability which eventually leads to the formation of shock. In the ultra-relativistic regime, both radiation reaction and pair plasma formation tend to slow down the shock velocity which makes the quasi-monoenergetic ion acceleration lasting on longer timescales.

Event Name

Seminars

Place

Seminar Room

Start Time

11:00

End Time

12:00

External Link

PDF to Talk