Foundations of Physics (1):1-18 (2013)

Authors
Michael Esfeld
University of Lausanne
Antonio Vassallo
Warsaw University of Technology
Abstract
The paper shows how the Bohmian approach to quantum physics can be applied to develop a clear and coherent ontology of non-perturbative quantum gravity. We suggest retaining discrete objects as the primitive ontology also when it comes to a quantum theory of space-time and therefore focus on loop quantum gravity. We conceive atoms of space, represented in terms of nodes linked by edges in a graph, as the primitive ontology of the theory and show how a non-local law in which a universal and stationary wave-function figures can provide an order of configurations of such atoms of space such that the classical space-time of general relativity is approximated. Although there is as yet no fully worked out physical theory of quantum gravity, we regard the Bohmian approach as setting up a standard that proposals for a serious ontology in this field should meet and as opening up a route for fruitful physical and mathematical investigations
Keywords Bohmian mechanics  Loop quantum gravity  Emergence of space-time  Non-local law  Primitive ontology  Wheeler-DeWitt equation
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Reprint years 2014
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DOI 10.1007/s10701-013-9745-1
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References found in this work BETA

The Metaphysics Within Physics.Tim Maudlin - 2007 - Oxford University Press.
The Metaphysics within Physics.[author unknown] - 2007 - Tijdschrift Voor Filosofie 69 (3):610-611.
Quantum Entanglement, Bohmian Mechanics, and Humean Supervenience.Elizabeth Miller - 2014 - Australasian Journal of Philosophy 92 (3):567-583.

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Citations of this work BETA

The Primitive Ontology of Quantum Physics: Guidelines for an Assessment of the Proposals.Michael Esfeld - 2014 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 47:99-106.
What is Matter? The Fundamental Ontology of Atomism and Structural Realism.Michael Esfeld, Dirk-André Deckert & Andrea Oldofredi - forthcoming - In B. Lower and A. Ijjas (ed.), A guide to the philosophy of Cosmology. Oxford University Press.

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