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Institute of Optics

Fractional Revival of High Momentum Wave Packet In the Infinite Square Well

This animation shows the probability density of a high momentum Gaussian-shaped wave packet excited in the infinite square well potential.

1/2 Fractional Revival

The animation leads up to the 1/2 fractional revival, during which the quantum-mechanical wave function has split into two distinct sub-packets, traveling in opposite directions in the well.

More information on wave packets in the infinite square well can be found in the paper:

Fractional wave-function revivals in the infinite square well
David L. Aronstein and C. R. Stroud, Jr.
Phys. Rev. A 55, 4526 (1997).


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Decay of
High Momentum Wave Packet
In a Square Well

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Web page maintained by
Hideomi Nihira ( nihira@optics.rochester.edu ).
Last modified 13 September 2006