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  1.  6
    A Persistent Particle Ontology for QFT in Terms of the Dirac Sea.Dirk-André Deckert, Michael Esfeld & Andrea Oldofredi - forthcoming - British Journal for the Philosophy of Science.
    We show that the Bohmian approach in terms of persisting particles that move on continuous trajectories following a deterministic law can be literally applied to QFT. By means of the Dirac sea model – exemplified in the electron sector of the standard model neglecting radiation – we explain how starting from persisting particles, one is led to standard QFT employing creation and annihilation operators when tracking the dynamics with respect to a reference state, the so-called vacuum. Since on the level (...)
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  2.  68
    Relationalism About Mechanics Based on a Minimalist Ontology of Matter.Antonio Vassallo, Dirk-André Deckert & Michael Esfeld - 2016 - European Journal for Philosophy of Science:1-20.
    This paper elaborates on relationalism about space and time as motivated by a minimalist ontology of the physical world: there are only matter points that are individuated by the distance relations among them, with these relations changing. We assess two strategies to combine this ontology with physics, using classical mechanics as example: the Humean strategy adopts the standard, non-relationalist physical theories as they stand and interprets their formal apparatus as the means of bookkeeping of the change of the distance relations (...)
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  3.  4
    Authors’ Response: The Virtues of Minimalism in Ontology and Epistemology.Michael Esfeld & Dirk-André Deckert - forthcoming - Metascience:1-9.
    The paper sets out and defends against criticism the claims argued for in the book A minimalist ontology of the natural world.
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  4.  43
    From the Universe to Subsystems: Why Quantum Mechanics Appears More Stochastic Than Classical Mechanics.Andrea Oldofredi, Dustin Lazarovici, Dirk-André Deckert & Michael Esfeld - unknown
    By means of the examples of classical and Bohmian quantum mechanics, we illustrate the well-known ideas of Boltzmann as to how one gets from laws defined for the universe as a whole to dynamical relations describing the evolution of subsystems. We explain how probabilities enter into this process, what quantum and classical probabilities have in common and where exactly their difference lies.
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  5.  41
    What is Matter? The Fundamental Ontology of Atomism and Structural Realism.Michael Esfeld, Dirk-André Deckert & Andrea Oldofredi - unknown
    We set out a fundamental ontology of atomism in terms of matter points. While being most parsimonious, this ontology is able to match both classical and quantum mechanics, and it remains a viable option for any future theory of cosmology that goes beyond current quantum physics. The matter points are structurally individuated: all there is to them are the spatial relations in which they stand; neither a commitment to intrinsic properties nor to an absolute space is required. The spatial relations (...)
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