SEARCH Articles Figures Tables A rigid quantum rotator Angular Momentum in Molecular Rotation—The Rigid Rotor Invariant Plane by Addition of Rigid-Body Rotation Rigid Rotator and Angular Momentum Rigid body rotation Rigid body rotational oscillations Rigid linear rotators Rigid motion rotational Rigid rotator Rigid rotator Rigid-body rotation, velocity vector Rigid-rotator calculations Rigid-rotator dynamics, calculations Rigid-rotator interaction potential Rigid-rotator transition Rigid-rotator transition probabilities Rotation and rigidity Rotational Dynamics of Rigid Rods Rotations of a rigid body