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We perform numerical analysis to study the orbits described by subwavelengthsize particles interacting with structured light beams. Our solution to theparticle dynamics considers: (i) the gradient force, (ii) the radiationpressure, and (iii) the force from the curl of the spin angular momentum. Thelast two terms, (ii) and (iii), constitute the scattering forces. The opticalstructures of interest are vortices, vector, and Full-Poincar\'{e} beams. Fromour numerical results, we show that the particle is expelled from the beam,independent of the gradient force intensity if some of the scattering forceshave cylindrical symmetry. Furthermore, we found spiral orbits for someparticular conditions and types of Full-Poincare beams.

Newtonian orbits of nanoparticles interacting with structured light beams