SEARCH Articles Figures Tables Energy states rules governing transition between Energy states, transitions between Forbidden transitions, between states Forbidden transitions, between states opposite symmetry Identity state transitions between Positron states transitions between Spectroscopic states transitions between The Transition Current Between Two States Transition between cholesteric states Transition between molecular electronic states Transitions Between States Time-Dependent Perturbation Theory Transitions between Stationary State Energy Levels Transitions between excited states Transitions between the nuclear spin quantum states - NMR technique Transitions, between electronic states Types of Transitions between States