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A particle of mass m comes from the left with initial kinetic energy E towards the potential step ( V. > E ) located in

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A particle of mass m comes from the left with initial kinetic energy E towards the potential step ( V. > E ) located in the region of x 2 0 . The stationary state of the particle Ae( ,-1) + Bpi(kixtal) x 0 (using the Heisenberg uncertainty relation AxAp, 2- ), and (e) estimate the kinetic energy uncertainty AE in the region x > 0 using the result of (d)

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