Relativistic compression of dark hollow Gaussian laser pulse in magnetized plasma

This paper focuses on the study of the nonlinear dynamics of Dark Hollow Gaussian (DHG) laser pulses in a magnetized under-dense plasma. The study primarily analyzes the effect of nonlinear dispersion in regards to the Right-Circular Polarization (R-mode). We found that in the proximity of the electron cyclotron resonance the relativistic regime becomes more effective. Higher-order DHG beams have greater structural stability and sharper intensity gradients during propagation. A stable self-trapping regime can be identified which causes spatio-temporal formation of hollow light bullets. Even under compression, it’s shown that the central dark core, which is crucial for blue-detuned atom trapping, remains intact. These results have implications for optimizing all-optical atom guides, manipulating Bose-Einstein condensates, and developing high-intensity structured light sources.