It offers a number of philosophical objections to ‘Super-Humean’ metaphysics, and constructs a sequence of models that aim to improve upon it, using the metaphysical toolbox constructed in Part I. This thesis contributes to the development of a ‘neo-Aristotelian’ ontology of powers that accommodates quantum phenomena. Published by IOP Publishing Ltd on behalf of Deutsche Physikalische Gesellschaft. Overall, our proposal is for contextual wavefunction collapse. This proposal also provides a contextual answer to the puzzle of the origin of the arrow of time when quantum measurements take place: it derives from the cosmological direction of time. We show furthermore that a theory that describes all the steps from the initial arrival of the quantum particle to the final pointer deflection must use elements from classical physics. B 58 12-21) and thus leads to localization and stochastic dynamics of quantum particles that interact with it. In contrast to the usual attempts to explain quantum measurement by decoherence, we argue that the heat bath follows unitary time evolution only over limited length and time scales (Drossel 2017 His. The interaction of local heat baths with a quantum system plays a key role in the process. The specific setup of the measurement apparatus determines the possible events that can take place. NY 327 1890-932) that the quantum measurement issue can be resolved by carefully looking at top-down contextual effects within realistic measurement contexts. This paper is an in depth implementation of the proposal (Ellis 2012 Ann.
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