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Wave Particle Duality and Density

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Consider a Gaussian wave packet given by
Psi(r)=(1/r) exp(i k.r)
where,r=(x^2+y^2+z^2)^(1/2).

Calculate the probabilistic current density and interpret the result physically.

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A spherical wave whose intensity decreases is featured. The Gaussian wave packet functions are examined. The expert calculates the probabilistic current density and interpret the result physically.

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