`microphysics` ============== .. autofunction:: microphysics.hydrogen_cross_section .. autofunction:: microphysics.helium_singlet_cross_section .. autofunction:: microphysics.helium_triplet_cross_section .. autofunction:: microphysics.he_collisional_strength .. autofunction:: microphysics.general_cross_section .. autofunction:: microphysics.sigma_properties_v1996