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  1. Generating Ontology: From Quantum Mechanics to Quantum Field Theory.Edward MacKinnon - manuscript
    Philosophical interpretations of theories generally presuppose that a theory can be presented as a consistent mathematical formulation that is interpreted through models. Algebraic quantum field theory (AQFT) can fit this interpretative model. However, standard Lagrangian quantum field theory (LQFT), as well as quantum electrodynamics and nuclear physics, resists recasting along such formal lines. The difference has a distinct bearing on ontological issues. AQFT does not treat particle interactions or the standard model. This paper develops a framework and methodology for interpreting (...)
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  • A Paradigm for Your Thoughts: A Kuhnian Analysis of Expertise.Ben Trubody - 2015 - Humana Mente 8 (28).
    It will be argued that the “problem of demarcation” and the defining of “expertise” share common structural features that can lead to either a type of strong relativism or ultra-scepticism. Appropriating notions from Thomas Kuhn’s. The Structure of Scientific Revolutions it will be argued that an “expert” in a field that has a dominant paradigm is different to an “expert” in a field that has multiple competing paradigms. To illustrate my argument I will look at the field of economics and (...)
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  • Schwinger and the Ontology of Quantum Field Theory.Edward MacKinnon - 2007 - Foundations of Science 12 (4):295-323.
    An epistemological interpretation of quantum mechanics hinges on the claim that the distinctive features of quantum mechanics can be derived from some distinctive features of an observational basis. Old and new variations of this theme are listed. The program has a limited success in non-relativistic quantum mechanics. The crucial issue is how far it can be extended to quantum field theory without introducing significant ontological postulates. A C*-formulation covers algebraic quantum field theory, but not the standard model. Julian Schwinger’s anabatic (...)
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  • The Origins of Schwinger׳s Euclidean Green׳s Functions.Michael E. Miller - 2015 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 50:5-12.
    This paper places Julian Schwinger's development of the Euclidean Green's function formalism for quantum field theory in historical context. It traces the techniques employed in the formalism back to Schwinger's work on waveguides during World War II, and his subsequent formulation of the Minkowski space Green's function formalism for quantum field theory in 1951. Particular attention is dedicated to understanding Schwinger's physical motivation for pursuing the Euclidean extension of this formalism in 1958.
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