Table S1.

Definition of the field quantities relevant for the emergence of the optical forces on small chiral particles

Definition of the quantity	Description
$\mathbf{p}=\left(g/2c\right)\mathrm{Re}\left\{\mathbf{E}\times {\mathbf{H}}^{\ast }\right\}$	Poynting momentum density
${\mathbf{p}}^{″}=\left(g/2c\right)\mathrm{Im}\left\{\mathbf{E}\times {\mathbf{H}}^{\ast }\right\}$	Value of the imaginary adjoint to the Poynting momentum density
${\mathbf{p}}^{\mathbf{o}}=-\frac{g}{4\omega }\mathrm{Im}\left\{{\mu }^{-1}\mathbf{E}\left(\nabla \otimes {\mathbf{E}}^{\ast }\right)+{\mathit{ϵ}}^{-1}\mathbf{H}\left(\nabla \otimes {\mathbf{H}}^{\ast }\right)\right\}$	Orbital (or canonical) Poynting momentum density
${\mathbf{p}}_{\mathbf{e}}^{\mathbf{o}}=-\frac{g}{4\omega }\text{Im}\left\{{\mu }^{-1}\mathbf{E}\left(\nabla \otimes {\mathbf{E}}^{\ast }\right)\right\}$	Electric contribution to the orbital Poynting momentum density
${\mathbf{p}}_{\mathbf{m}}^{\mathbf{o}}=-\frac{g}{4\omega }\text{Im}\left\{{\mathit{ϵ}}^{-1}\mathbf{H}\left(\nabla \otimes {\mathbf{H}}^{\ast }\right)\right\}$	Magnetic contribution to the orbital Poynting momentum density
${\mathbf{p}}^{\mathbf{s}}=-\frac{g}{8\omega }\nabla \times \left[{\left(i\mu \right)}^{-1}\mathbf{E}\times {\mathbf{E}}^{\ast }+{\left(i\mathit{ϵ}\right)}^{-1}\mathbf{H}\times {\mathbf{H}}^{\ast }\right]$	Spin part of the Poynting momentum density (Belinfante spin momentum)
${\mathbf{p}}_{\mathbf{e}}^{\mathbf{s}}=-\frac{g}{8\omega }\nabla \times \left[{\left(i\mu \right)}^{-1}\mathbf{E}\times {\mathbf{E}}^{\ast }\right]$	Electric contribution to the spin momentum density
${\mathbf{p}}_{\mathbf{m}}^{\mathbf{s}}=-\frac{g}{8\omega }\nabla \times \left[{\left(i\mathit{ϵ}\right)}^{-1}\mathbf{H}\times {\mathbf{H}}^{\ast }\right]$	Magnetic contribution to the spin momentum density
$\mathbf{s}=-\frac{g}{4\omega }\left({\left(\mu i\right)}^{-1}\mathbf{E}\times {\mathbf{E}}^{\ast }+{\left(\mathit{ϵ}i\right)}^{-1}\mathbf{H}\times {\mathbf{H}}^{\ast }\right)$	SAM density
${\mathbf{s}}_{\mathbf{e}}=-\frac{g}{4\omega }\left({\left(\mu i\right)}^{-1}\mathbf{E}\times {\mathbf{E}}^{\ast }\right)$	Electric contribution to the SAM density
${\mathbf{s}}_{\mathbf{m}}=-\frac{g}{4\omega }\left({\left(\mathit{ϵ}i\right)}^{-1}\mathbf{H}\times {\mathbf{H}}^{\ast }\right)$	Magnetic contribution to the SAM
$h=\left(g/2\omega \right)\mathrm{Im}\left\{\mathbf{E}\cdot {\mathbf{H}}^{\ast }\right\}$	Helicity
$\nabla \times \mathbf{p}=\frac{g}{2c}\nabla \times \text{Re}\left\{\mathbf{E}\times {\mathbf{H}}^{\ast }\right\}$	Vorticity of the photon flow
$u_{\text{e}}=\frac{g}{4}\mathit{ϵ}{\left|\mathbf{E}\right|}^2$	Electric contribution to the energy density
$u_{\text{m}}=\frac{g}{4}\mu {\left|\mathbf{H}\right|}^2$	Magnetic contribution to the energy density
$I=n^{-1}\left|\mathbf{E}\times {\mathbf{H}}^{\text{*}}\right|$	Intensity

A derivation and discussion of many quantities can be found in Bliokh et al. (17).