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clem
#3
Jun14-09, 06:00 PM
Sci Advisor
P: 1,261
The p=mv equation should not be used. The v in your mv is not simply related to the v which is the velocity of the wave in f lambda=v. The wave function is
exp[p.x-(p^2/2m)t/hbar]. You can find the wave and group velocity from that.