Some 60 theoretical and experimental physicists attended, as well as a number of philosophers of science. The PEP was a major theme of the workshop “Theoretical and experimental aspects of the spin-statistics connection and related symmetries” at SpinStat 2008, held in Trieste on 21–25 October at the Stazione Marittima conference centre. Participants of SpinStat 2008 filled the entrance stairs of the Stazione Marittima conference centre in Trieste. I had the feeling, and I still have it today, that this is a deficiency&ellip The impression that the shadow of some incompleteness fell here on the bright light of success of the new quantum mechanics seems, to me, unavoidable.” Pauli’s conclusion remains basically true today.
Wolfgang Pauli remarked in his Nobel Prize lecture (13 December 1946): “Already in my original paper I stressed the circumstance that I was unable to give a logical reason for the exclusion principle or to deduce it from more general assumptions. It has defied all attempts to produce a simple and intuitive proof, despite being spectacularly confirmed by the number and accuracy of its predictions, because its foundation lies deep in the structure of quantum theory. The Pauli exclusion principle (PEP), and more generally the spin-statistics connection, plays a pivotal role in our understanding of countless physical and chemical phenomena, ranging from the periodic table of the elements to the dynamics of white dwarfs and neutron stars. L’atelier a réuni environ 60 physiciens, théoriciens et expérimentateurs, ainsi que des philosophes des sciences, qui ont examiné des travaux récents et proposé de nouvelles vérifications expérimentales et de nouveaux cadres théoriques. C’était là un thème important lors d’un atelier sur la relation spin-statistiques tenu à Trieste en octobre 2008.
Néanmoins, il reste à trouver une démonstration simple et intuitive de ses fondements. Le principe d’exclusion de Pauli, et, plus généralement, la relation spin-statistiques, joue un rôle central dans notre compréhension d’innombrables phénomènes physiques et chimiques allant du tableau périodique des éléments à la dynamique des étoiles à neutrons. Le principe de Pauli à l’épreuve du temps The SpinStat 2008 workshop looked at the nature of space–time.
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