Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of Physics

Paul Dirac has been undoubtedly one of the central figures of the last century physics, contributing in several and remarkable ways to the development of quantum mechanics; he was also at the centre of an active community of physicists, with whom he had extensive interactions and correspondence. In...

Full description

Bibliographic Details
Main Authors: Andrea Oldofredi, Michael Esfeld
Format: Article
Language:English
Published: Quanta 2019-11-01
Series:Quanta
Online Access:http://quanta.ws/ojs/index.php/quanta/article/view/93
_version_ 1818311886886666240
author Andrea Oldofredi
Michael Esfeld
author_facet Andrea Oldofredi
Michael Esfeld
author_sort Andrea Oldofredi
collection DOAJ
description Paul Dirac has been undoubtedly one of the central figures of the last century physics, contributing in several and remarkable ways to the development of quantum mechanics; he was also at the centre of an active community of physicists, with whom he had extensive interactions and correspondence. In particular, Dirac was in close contact with Bohr, Heisenberg and Pauli. For this reason, among others, Dirac is generally considered a supporter of the Copenhagen interpretation of quantum mechanics. Similarly, he was considered a physicist sympathetic with the positivistic attitude which shaped the development of quantum theory in the 1920s. Against this background, the aim of the present essay is twofold: on the one hand, we will argue that, analyzing specific examples taken from Dirac's published works, he can neither be considered a positivist nor a physicist methodologically guided by the observability doctrine. On the other hand, we will try to disentangle Dirac's figure from the mentioned Copenhagen interpretation, since in his long career he employed remarkably different—and often contradicting—methodological principles and philosophical perspectives with respect to those followed by the supporters of that interpretation. Quanta 2019; 8: 68–87.
first_indexed 2024-12-13T08:09:05Z
format Article
id doaj.art-8db0987589894fd689f78e182e18d97c
institution Directory Open Access Journal
issn 1314-7374
language English
last_indexed 2024-12-13T08:09:05Z
publishDate 2019-11-01
publisher Quanta
record_format Article
series Quanta
spelling doaj.art-8db0987589894fd689f78e182e18d97c2022-12-21T23:54:16ZengQuantaQuanta1314-73742019-11-0181688710.12743/quanta.v8i1.9351Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of PhysicsAndrea Oldofredi0Michael Esfeld1University of LausanneUniversity of LausannePaul Dirac has been undoubtedly one of the central figures of the last century physics, contributing in several and remarkable ways to the development of quantum mechanics; he was also at the centre of an active community of physicists, with whom he had extensive interactions and correspondence. In particular, Dirac was in close contact with Bohr, Heisenberg and Pauli. For this reason, among others, Dirac is generally considered a supporter of the Copenhagen interpretation of quantum mechanics. Similarly, he was considered a physicist sympathetic with the positivistic attitude which shaped the development of quantum theory in the 1920s. Against this background, the aim of the present essay is twofold: on the one hand, we will argue that, analyzing specific examples taken from Dirac's published works, he can neither be considered a positivist nor a physicist methodologically guided by the observability doctrine. On the other hand, we will try to disentangle Dirac's figure from the mentioned Copenhagen interpretation, since in his long career he employed remarkably different—and often contradicting—methodological principles and philosophical perspectives with respect to those followed by the supporters of that interpretation. Quanta 2019; 8: 68–87.http://quanta.ws/ojs/index.php/quanta/article/view/93
spellingShingle Andrea Oldofredi
Michael Esfeld
Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of Physics
Quanta
title Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of Physics
title_full Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of Physics
title_fullStr Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of Physics
title_full_unstemmed Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of Physics
title_short Observability, Unobservability and the Copenhagen Interpretation in Dirac's Methodology of Physics
title_sort observability unobservability and the copenhagen interpretation in dirac s methodology of physics
url http://quanta.ws/ojs/index.php/quanta/article/view/93
work_keys_str_mv AT andreaoldofredi observabilityunobservabilityandthecopenhageninterpretationindiracsmethodologyofphysics
AT michaelesfeld observabilityunobservabilityandthecopenhageninterpretationindiracsmethodologyofphysics