Magetostatic amplifier with tunable maximum by twisted-light plasma interactions

Abstract

Laser beams with Laguerre-Gaussian (LG) mode carry orbital angular momentum (OAM), however when interacting with plasmas, the net OAM acquired by plasmas is basically zero after interaction. Here, we find when there exist a small magetostatic seed along laser propagation direction, the barrier would be broken, giving rise to dramatic OAM transfer from LG lasers to plasmas. Hence, the net OAM remained in plasmas system would continuously enhance the magetostatic field, until the corresponding Larmor frequency of electrons is comparable to the laser frequency in vacuum. Three-dimensional particle-in-cell (3D-PIC) simulations are performed to confirm our theory, producing space-uniform, time-stable and extremely intense magetostatic fields.

4 pages, 4 figures

References in corpus (6)

• Nonlinear laser driven donut wakefields for positron and electron acceleration
• Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering
• Generation of Intense High-Order Vortex Harmonics
• Light fan driven by relativistic laser pulse
• Enhanced proton acceleration in an applied longitudinal magnetic field
• The generation of unexpected super-high energetic electrons at relativistic circularly polarized laser-solid interactions in the presence of large scale pre-plasmas

Cited by in corpus (1)

• Magnetic field amplification in a laser-irradiated thin foil by return current electrons carrying orbital angular momentum