Fig. 4: Evaluation of θ.
From: Conversion of twisted light to twisted excitons using carbon nanotubes

Values of θ for (a) (n1, n2) CNTs with rotational symmetry CN (N > 2) and (b) zigzag (red) and armchair (green) CNTs.
From: Conversion of twisted light to twisted excitons using carbon nanotubes
Values of θ for (a) (n1, n2) CNTs with rotational symmetry CN (N > 2) and (b) zigzag (red) and armchair (green) CNTs.