A2_3 Harry Potter and the Concussion at Platform Nine and Three Quarters

R. Garratley, C. T. Davies, K. J. Cheshire, J. Moore


We investigate the likelyhood of Harry quantum tunnelling through a wall to reach platfrom 9 3/4 by modelling him as a giant free particle with the mass and velocity of a small boy. We find that the probabilities associated with this type of tunnelling are incredibly small.

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