SEARCH Articles Figures Tables Feynman path integral, quantum theory Mean-field path representation Semiclassical Ehrenfest theory Minimum energy path reaction rate theory Minimum energy path transition state theory Path Integral Connection With Density Functional Theory Path dependence theory Path integral quantum transition state theory Path-integral techniques theory The Reaction Path Hamiltonian and Variational Transition State Theory Tortuous path theory Transition path theory Transition-state theory path dynamics Valence bond theory reaction path Variational transition state theory (VTST reaction paths Variational transition-state theory reaction path dynamics