SEARCH Articles Figures Tables Classical chaos, quantum mechanics nonlinear systems Dynamics of Dihydrogen-Hydride Ligand Systems Hydrogen Rotation, Exchange, and Quantum-Mechanical Effects Elementary States of Quantum Mechanical Systems Mechanical system Mechanism system Molecular system quantum mechanical Hamiltonian Potential energy surface Quantum-mechanical system Quantum Mechanical Treatment of the Two-Spin System Quantum Mechanical Tunneling of Hydrogen Atoms in Some Simple Chemical Systems Quantum Mechanics Model Systems and the Hydrogen Atom Quantum Mechanics of Some Simple Systems Quantum mechanical description of time-dependent systems Quantum mechanical system Quantum mechanics multielectron systems Quantum mechanics of electro-nuclear systems Quantum mechanics of many-electron systems Quantum mechanics proper open system Quantum mechanics system Hamiltonian Quantum mechanics system characterization Quantum systems Spin-system response from quantum mechanics The Quantum Mechanics of Some Simple Systems The Quantum Statistical Mechanics of a Simple Model System Time-dependent systems, quantum mechanics