Fourier Analysis Program 1.0
Study general physics with the help of this simulation. Fourier Analysis software displays the Fourier transform of a user-defined complex spatial function of position and time. The default spatial function is a time-dependent complex Gaussian. Additional parameters can be specified using the Display | Switch GUI menu item.Requirements:* Java
Price: USD $0.00;
License: Freeware
File Size: 632 KB;
Platform: Windows

Two Dimensional Schrodinger Equation 1.0
Study quantum physics with this simulation. Two Dimensional Schrodinger Equation model simulates the time evolution of a two-dimensional wave packet as it moves towards a slit with an obstacle in it, both with variable widths. By changing three parameters via sliders provided, slit width, obstacle width, and initial position of the wave packet, different behaviors can be explored. These phenomena include interference, diffraction produced by a...
Price: USD $0.00;
License: Freeware
File Size: 727 KB;
Platform: Windows

Free Gaussian Wave Packet 1.0
Study Quantum Physics with this simulation.Free Gaussian Wave Packet model simulates the time evolution of a free-particle Gaussian wave packet in position and k (momentum) space. The position-space and k-space (momentum-space) wave functions are depicted using three colors on the graph to depict the absolute square of the wave function, the real part of the wave function, and the imaginary part of the wave function. The user may change the...

Dirac Delta Scattering Model 1.0
Study quantum physics with the help of this simulation. Dirac Delta Scattering model displays the time evolution of a plane wave incident on a Dirac delta function barrier. The default wave function shows a right-moving plane wave incident on the barrier. The energy of the wave function can be changed with the slider. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs...

Free Particle Wavepacket Model 1.0
Study quantum physics with the help of this simulation. Free Particle Wavepacket model displays the time evolution of a free (V = 0 everywhere) initial Gaussian wave packet in position and momentum space. The default wave functions have <x> = 0 and <p> = 0, respectively. The initial width of the position-space wavepacket can be changed with the slider. You can modify this simulation if you have Ejs installed by right-clicking...

Plane Wave: Step Scattering 1.0
Plane Wave: Step Scattering is a quantum physics simulation. Plane Wave: Step Scattering model simulates the time evolution of a free-particle plane wave in position space when it is incident on a potential energy step. The position-space wave functions are depicted using three colors on the graph: black depicting the absolute square of the wave function, blue depicting the real part of the wave function, and red depicting the imaginary part...

Step Barrier Scattering Model 1.0
Study quantum physics with the help of this simulation. Barrier Scattering model shows a quantum mechanical experiment in which an incident wave (particle) traveling from the left is transmitted and reflected from a potential step at x=0. Although the analytic solution to this standard problem is well known, its visualization shows how the incident and reflected waves form an interference pattern and how the incident wave penetrates the...

Double Pendulum Model 1.0
Analyze the double pendulum motion with this application. The Double Pendulum model displays the motion of a double pendulum and its Poincare map. A double pendulum is a pendulum with another pendulum attached to its end and the state of this dynamical system is specified by two angles and two angular velocities. Because there is no fiction, the double pendulum is an example of a Hamiltonian system and energy is conserved.?This EJS model...

Faraday Disk Dynamo Model 1.0
Analyze magnetic field with this tool. The EJS Faraday Disk Dynamo shows a conducting disk that rotates in a magnetic field. This produces a current (homopolar generator) and for certain configurations, it is a self-exciting dynamo. A self-exciting dynamo is the mechanical analog of a proposed mechanism to produce the earth and sun's magnetic fields. You can modify this simulation if you have Ejs installed by right-clicking within the plot and...

Cellular Automata Rules 1.0
Analyze nearby neighbor rules with this tool. Cellular Automata Rules is a simple, very convenient, Java based software designed to display a spatial lattice that can have any one of a finite number of states and that are updated synchronously in discrete time steps according to a local (nearby neighbor) rule.You can change the lattice size, pick different rules (0 to 255 as classified by Stephen Wolfram), and choose different initial starting...

Uniform Spherical Distribution Model 1.0
Pick a random point on the surface of a sphere with this simulation. The EJS Uniform Spherical Distribution Model shows how to pick a random point on the surface of a sphere. It shows a distribution generated by (incorrectly) picking points using a uniform random distribution as well as the correct weighted distribution. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs...

Gnomon Model 1.0
Gnomon shadow simulation to help you with your studies. The EJS Gnomon model simulates the shadow cast by a gnomon (the part of a sundial that casts the shadow) over the course of a day for any day of the year and any latitude on Earth. The software gives you the option to use mean Sun (which moves relative to the stars at a constant rate throughout the year) or true Sun (which varies its apparent speed relative to the background stars). The...

QM Momentum Measurement 1.0
Study the position-space wave function with the help of this simulation. QM Momentum Measurement software displays the time evolution of the position-space wave function and can be used to simulate the quantum-mechanical measurement of momentum. The default wave function is an equal-mix four-state superposition in the infinite square well.QM Momentum Measurement is one of 18 Open Source Physics programs that model time-dependent quantum...

Polarizer Program 1.0
Plane polarizer effect simulation. Polarizer software displays the effect of a plane polarizer on an incident electromagnetic wave. The polarization of the electromagnetic wave and the orientation of the polarizer can be modified.Polarizer is an Open Source Physics software written for the teaching of optics. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the optics_polarizer.jar file will run the software if Java...

EM Radiation Program 1.0
Study the Lienard-Wiechert potentials with this tool. EM Radiation software displays the electric field vectors (in the x-y plane) and magnetic field contours (for the field in the z direction) calculated from the Lienard-Wiechert potentials for a charged particle. The default scenario shows the resulting radiation from a charged particle in simple harmonic motion. Additional particle trajectories can be specified using the Display | Switch...