Enhanced spin Hall effect of light scattering on a meta-atom with bianisotropy

We reveal an interesting phenomenon of enhanced polarization-dependent transverse deflection of scattered light on a meta-atom with bianisotropy. The relationship between the spin-dependent shift and the bianisotropy is demonstrated. Unlike the usual particle, the obvious transverse scattering can be obtained by the bianisotropy. Furthermore, the lateral optical force exerted on the bianisotropic meta-atom is inevitable due to the spin Hall effect of light. This work provides a way to achieve an enhanced spin Hall effect of light and offers a platform to study the interaction between light and meta-atom with bianisotropy.