Propagation properties of radially polarized Pearcey-Gauss vortex beams in free space

Chen Xinpeng¹, Xu Chuangjie², Yang Qian¹, Luo Zhiming¹, Li Xixian¹, Deng Dongmei^{1, †}

Spin currents at different planes as the RPPGVB propagates along the z-direction. Parameters are the same as those in Fig. 1 except (a) z = 0, (b) z = 0.8z_e, (c) z = z_e, (d) z = 1.8z_e. The lengths and directions of the arrows represent the normalized sizes and directions of the spin currents.