Transient grating study of the intermolecular dynamics of liquid nitrobenzene
Wu Hong-Lin1, Song Yun-Fei2, Yu Guo-Yang2, Yang Yan-Qiang1, 2, †,
       

Schematics of interaction between a molecule and the electric field of light. Red and blue represent positive and negative charges, respectively. The direction of induced dipole moment changes with the alternating electric field, driving the molecule to rotate around a constant direction.