Simultaneous self-focusing and compression of ultrashort weakly-relativistic Laguerre–
Gaussian laser pulses in dense plasma is investigated theoretically and numerically. A …

With the advancement of ultra-intense and ultra-short laser technology, lasers have
achieved new parameters in femtosecond (10–15 s) and petawatt (10 15 W) ranges. Ion …

X/γ-rays have many potential applications in laboratory astrophysics and particle physics.
Although several methods have been proposed for generating electron, positron, and X/γ …

The generation of vortex terahertz (THz) radiation by the interaction of a two-color Laguerre–
Gaussian (LG) laser with plasmas under an external magnetic field is investigated …

In this work, simulations of multi-petawatt lasers in the range of∼ 0.2 PW–∼ 100 PW with
varying Laguerre–Gaussian (LG) azimuthal modes as well as linearly polarized (LP) and …

Laser-driven particle acceleration has attracted significant attention due to its potential for
compact and cost-effective particle accelerator. Currently, the generation of highly collimated …

Relativistic vortex laser has drawn increasing attention in the laser-plasma community owing
to its potential applications in various domains, eg, generation of energetic charged particles …