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Quantum Revivals

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view
1D
2D
3D
n
20
t
0.5
δt
0.005
Quantum revivals are recurrent forms of wave packets [1] that, in the course of their evolution, return to their initial form after a certain "revival time". This Demonstration shows the propagation of a particle in a one-dimensional box of length 1 with Dirichlet boundary conditions. The
x
coordinate runs on the horizontal axis and the vertical axis is
t
. The probability density has interesting fractal properties [2] due to the wave function's self-interference resulting from the boundary conditions. Revivals of this type appear in many fields of physics.
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