David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Synthese 151 (1):33 - 80 (2006)
I analyse the conceptual and mathematical foundations of Lagrangian quantum field theory (QFT) (that is, the ‘naive’ (QFT) used in mainstream physics, as opposed to algebraic quantum field theory). The objective is to see whether Lagrangian (QFT) has a sufficiently firm conceptual and mathematical basis to be a legitimate object of foundational study, or whether it is too ill-defined. The analysis covers renormalisation and infinities, inequivalent representations, and the concept of localised states; the conclusion is that Lagrangian QFT (at least as described here) is a perfectly respectable physical theory, albeit somewhat different in certain respects from most of those studied in foundational work.
|Keywords||Philosophy Philosophy Epistemology Logic Metaphysics Philosophy of Language|
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Citations of this work BETA
David Wallace (2011). Taking Particle Physics Seriously: A Critique of the Algebraic Approach to Quantum Field Theory. Studies in History and Philosophy of Science Part B 42 (2):116-125.
Steven French (2011). Metaphysical Underdetermination: Why Worry? Synthese 180 (2):205 - 221.
David Wallace (2003). Everett and Structure. Studies in History and Philosophy of Science Part B 34 (1):87-105.
David Baker (2009). Against Field Interpretations of Quantum Field Theory. British Journal for the Philosophy of Science 60 (3):585-609.
Nazim Bouatta & Jeremy Butterfield (2015). On Emergence in Gauge Theories at the ’T Hooft Limit. European Journal for Philosophy of Science 5 (1):55-87.
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