TL;DR
This paper explores how an ontology of events can unify various quantum mechanics formulations and discusses the implications of wave function realism, especially in Bohmian mechanics.
Contribution
It proposes a flexible event-based ontology that encompasses different quantum theories and examines the challenges of wave function realism in Bohmian mechanics.
Findings
Event ontology can unify multiple quantum formulations
Wave function as a power linked to entities in spacetime
Holistic power distribution in Bohmian mechanics presents difficulties
Abstract
In the first part of the paper I argue that an ontology of events is precise, flexible and general enough so as to cover the three main alternative formulations of quantum mechanics as well as theories advocating an antirealistic view of the wave function. Since these formulations advocate a primitive ontology of entities living in four-dimensional spacetime, they are good candidates to connect that quantum image with the manifest image of the world. However, to the extent that some form of realism about the wave function is also necessary, one needs to endorse also the idea that the wave function refers to some kind of power. In the second part, I discuss some difficulties raised by the recent proposal that in Bohmian mechanics this power is holistically possessed by all the particles in the universe.
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