How macroscopic properties dictate microscopic probabilities

Abstract

We argue that the quantum probability law follows, in the large N limit, from the compatibility of quantum mechanics with classical-like properties of macroscopic objects. For a finite sample, we find that likely and unlikely measurement outcomes are associated with distinct interference effects in a sample weakly coupled to an environment.

4 pages. Revised and expanded version. A microscopic distinction between rare and expected sequences is discussed

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