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A Particle in a Box

Try this: Make the ground-state energy four times larger with one slider.

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About this simulation

Trap a particle between two walls and read off the standing waves it is allowed, the energies that go with them, and the places it is never found.

Taught in Quantum States & the Wavefunction

  • wavefunction
  • probability density
  • energy quantisation
  • nodes

How this runs

The equations of motion are integrated in your browser at a fixed timestep, so the numbers do not depend on your screen’s refresh rate. Nothing is sent to a server. Use Share setup to copy a link that reproduces exactly what you are looking at.