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4434Applets for quantum mechanics
http://www.merlot.org/merlot/viewMaterial.htm?id=74994
This set of applets features illustrations of quantum mechanics through interactive animations in the following domains : Young interference fringes - wavepacket propagation - linear superposition of eigenstates (including coherent states of the harmonic oscillator) - nuclear magnetic resonance.Math And Physics Applets
http://www.merlot.org/merlot/viewMaterial.htm?id=80362
This site provides a large selection of physics and math simulations. There is also fairly comprehensive explanatory information about the science and computation behind the applets. The applets are fairly small, and load quickly (even on dial-up), but are very broad in their coverage of topics. These applets are useful for illustrating physical systems and behavior that can not, in general, observed by experiments.Physlet Problems: Hydrogenic Atom
http://www.merlot.org/merlot/viewMaterial.htm?id=88088
These Physlets give graphical representations of the wavefunctions of the Hydrogen atom. Available are the radial wavefunctions, angular wavefunctions, and a cross-section of the wavefunctions in the z-x plane.These applets are part of the Modern Physics example Physlets from the book of Christian and Belloni. (Chapter 10, examples 10.2.1 and 10.2.2)1-D Quantum Mechanics Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=82715
This quantum mechanics simulation shows the behavior of a single particle bound states in one dimension. It solves the Schrodinger equation and displays the time-dependent wavefunctions for a wide range of potentials.1-D Quantum Transitions Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=82716
This quantum mechanics simulation shows the interaction of classical electromagnetic radiation with a particle bound in one dimension. It demonstrates absorption and stimulated emission from an infinite square well, two coupled wells, and a harmonic oscillator.1D Quantum Crystal Applet
http://www.merlot.org/merlot/viewMaterial.htm?id=84844
This applet shows the results of a Kronig-Penney model of a crystal in 1D. Different periodic potentials are available for study. Results show the quantum states, dispersion relations, and band gaps for the potenial.Graphical representation of complex eigenvectors
http://www.merlot.org/merlot/viewMaterial.htm?id=821153
The Graphical representation of complex eigenvectors simulation aims to help students make connections between graphical and mathematical representations of complex eigenvectors and eigenvalues. The simulation depicts two components of a complex vector in the complex plane, and the same vector under several transformations that can be chosen by the user. A slider allows students to change the second component of the initial vector. The simulation shows whether or not the vector is an eigenvector, and if so displays the associated eigenvalue. The simulation includes a small challenge in asking the student to find the elements of one of the transformation matrices. An accompanying activity for this simulation is available at http://quantumphysics.iop.org and at www.st-andrews.ac.uk/physics/quvis. The simulation can be downloaded from the QuVis website www.st-andrews.ac.uk/physics/quvis.This simulation is part of the UK Institute of Physics New Quantum Curriculum, see http://quantumphysics.iop.org. Simulations and accompanying activities can be accessed from the IOP site and from www.st-andrews.ac.uk/physics/quvis. Sharing of these resources is encouraged, with all usage under the Creative Commons CC BY-NC-ND licence. Instructors can email quantumphysics@iop.org for activity solutions and to request to modify materials.Graphical representation of eigenvectors
http://www.merlot.org/merlot/viewMaterial.htm?id=821150
The Graphical representation of eigenvectors simulation aims to help students make connections between graphical and mathematical representations of eigenvectors and eigenvalues. The simulation depicts the two components of a unit vector in the xy-plane, and the same vector under several different transformations that can be chosen by the user. A slider allows students to change the orientation of the initial vector. The simulation shows whether or not the vector is an eigenvector, and if so displays the associated eigenvalue. The simulation includes a small challenge in asking students to find the elements of one of the transformation matrices 4. An accompanying activity for this simulation is available at http://quantumphysics.iop.org and at www.st-andrews.ac.uk/physics/quvis. The simulation can be downloaded from the QuVis website www.st-andrews.ac.uk/physics/quvis.This simulation is part of the UK Institute of Physics New Quantum Curriculum, see http://quantumphysics.iop.org. Simulations and accompanying activities can be accessed from the IOP site and from www.st-andrews.ac.uk/physics/quvis. Sharing of these resources is encouraged, with all usage under the Creative Commons CC BY-NC-ND licence. Instructors can email quantumphysics@iop.org for activity solutions and to request to modify materials.Matrix Multiplication
http://www.merlot.org/merlot/viewMaterial.htm?id=821148
The Matrix Multiplication simulation aims to help students learn how to multiply two matrices and what conditions need to be fulfilled for the product of two matrices to exist. Students can choose different dimensions for matrices A and B, and the product C=AB is displayed if it exists. Student can select an element of the matrix C to see how it is calculated. An accompanying activity for this simulation is available at http://quantumphysics.iop.org and www.st-andrews.ac.uk/physics/quvis. The simulation can be downloaded from the QuVis website www.st-andrews.ac.uk/physics/quvis.This simulation is part of the UK Institute of Physics New Quantum Curriculum, see http://quantumphysics.iop.org. Simulations and accompanying activities can be accessed from the IOP site and from www.st-andrews.ac.uk/physics/quvis. Sharing of these resources is encouraged, with all usage under the Creative Commons CC BY-NC-ND licence. Instructors can email quantumphysics@iop.org for activity solutions and to request to modify materials.Steps and Barriers in One Dimension
http://www.merlot.org/merlot/viewMaterial.htm?id=90717
The above animation shows the propagation of a gaussian wavepacket through a step or a barrier. The parameters are those of an electron in GaAs. The initial kinetic energy is 0.2 eV while the potential height can be varied.