Quantum cards and quantum rods

Details Quantum cards and quantum rods Quantum cards and quantum rods

2006-11-02

arxiv.org/abs/quant-ph/0611036v1

Physics

Quantum Physics

20 pages, 3 figures

Scientific paper

Quantum mechanical analysis of a rigid rod with one end fixed to a flat table is presented. It is shown, that for a macroscopic rod the ground state is orientationally delocalized only if the table is absolutely horizontal. In this latter case the rod, assumed to be initally in the upright orientation, falls down symmetrically and simultaneously in both directions, as claimed by Tegmark and Wheeler. In addition, the time of fall is calculated using WKB wavefunctions representing energy eigenstates near the barrier summit.

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