Realism and Time Symmetry in Quantum Mechanics
Benedikt Bläsi, Lucien Hardy
Abstract
We describe a gedanken experiment with an interferometer in the case of pre- and postselection in two different time symmetric ways: We apply the ABL formalism and the de Broglie--Bohm model. Interpreting these descriptions ontologically, we get two very different concepts of reality. Finally, we discuss some problems implied by these concepts.
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