A Quantum Mechanical Supertask

Author: Norton J.D.  

Publisher: Springer Publishing Company

ISSN: 0015-9018

Source: Foundations of Physics, Vol.29, Iss.8, 1999-08, pp. : 1265-1302

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Abstract

That quantum mechanical measurement processes are indeterministic is widely known. The time evolution governed by the differential Schrödinger equation can also be indeterministic under the extreme conditions of a quantum supertask, the quantum analogue of a classical supertask. Determinism can be restored by requiring normalizability of the supertask state vector, but it must be imposed as an additional constraint on the differential Schrödinger equation.