Partial%20wave%20expansion%20of%20the%20plane%20wave - PowerPoint PPT Presentation

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Partial%20wave%20expansion%20of%20the%20plane%20wave

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Partial wave expansion of the plane wave – PowerPoint PPT presentation

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Title: Partial%20wave%20expansion%20of%20the%20plane%20wave


1
Partial wave expansion of the plane wave
Sum over spherical waves
Angular dependence of the spherical wave
2
One partial wave (standing wave made of incoming
and outgoing waves)
Plane wave (incoming wave)
3
Sum of two partial waves
4
Sum of three partial waves
5
Sum of five partial waves
6
Sum of ten partial waves
7
Sum of twenty partial waves
8
Sum of thirty partial waves
9
Gaussian repulsive potential w(r) exp(0.04 r2)
The potential (red line is the energy)
Phase shift vs. angular momentum for partial waves
10
Plot of trajectories on the potential surface
Mapping (y, t) gt (qx, qy)
11
Exact
12
Semiclassical
13
Absolute value. Left - exact, right -
semiclassical
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