The origin of Born's rule is a long-standing problem in physics. Here we prove, without assuming quantum theory, that the Born rule has to be satisfied in any theory that wants to assign probabilities to the outcomes of ideal measurements, defined as repeatable and minimally disturbing interactions between a system and some measuring devices, whenever the outcomes of these measurements are not governed or restricted by any law. The proof is based on the assumption that independent probabilities can be assigned to systems that have been prepared independently, and follows from the requirement of consistency among the assignments to the different classes of measurement events, where each class is characterized by a different structure of exclusivity.
Wednesday, October 11th, 2017
12:00h
IQOQI Seminar Room, 2nd Floor, Boltzmanngasse 3, 1090 Vienna
Hosted by: Costantino Budroni
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