Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsShort-Time Expansion of Amplitudes for Time-Dependent Potentialshttp://demonstrations.wolfram.com/ShortTimeExpansionOfAmplitudesForTimeDependentPotentials/]]>http://demonstrations.wolfram.com/ShortTimeExpansionOfAmplitudesForTimeDependentPotentials/Short-Time Expansion of Quantum Amplitudeshttp://demonstrations.wolfram.com/ShortTimeExpansionOfQuantumAmplitudes/]]>http://demonstrations.wolfram.com/ShortTimeExpansionOfQuantumAmplitudes/Anharmonic Oscillator Spectrum via Diagonalization of Amplitudeshttp://demonstrations.wolfram.com/AnharmonicOscillatorSpectrumViaDiagonalizationOfAmplitudes/]]>http://demonstrations.wolfram.com/AnharmonicOscillatorSpectrumViaDiagonalizationOfAmplitudes/