The concept of quantum state : new views on old phenomena

Autor: Michel Paty
Přispěvatelé: Recherches Epistémologiques et Historiques sur les Sciences Exactes et les Institutions Scientifiques (REHSEIS (UMR_7596)), Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Ashtekar, Abhay, Cohen, Robert S., Howard, Don, Renn, Jürgen, Sarkar, Sahotra & Shimony, Abner, Roux, Marie, Ashtekar, Abhay, Cohen, Robert S., Howard, Don, Renn, Jürgen, Sarkar, Sahotra & Shimony, Abner
Jazyk: angličtina
Rok vydání: 2003
Předmět:
Zdroj: Revisiting the Foundations of Relativistic Physics : Festschrift in Honor of John Stachel, Boston Studies in the Philosophy and History of Science
Ashtekar, Abhay, Cohen, Robert S., Howard, Don, Renn, Jürgen, Sarkar, Sahotra & Shimony, Abner. Revisiting the Foundations of Relativistic Physics : Festschrift in Honor of John Stachel, Boston Studies in the Philosophy and History of Science, Dordrecht: Kluwer Academic Publishers, p. 451-478, 2003
Revisiting the Foundations of Relativistic Physics ISBN: 9781402012853
Popis: Recent developments in the area of quantum systems have led to accept statements, which originally appeared to be mere interpretations, as representing physical facts that appeared formerly to be more related to interpretation with free options. Of such a nature are the statements relating to quantum behavior of individual particles (diffraction, etc.), neutrinos oscillations, distant quantum correlations (local non-separability), Bose-Einstein condensation, cooling isolation of atoms and, recently, decoherence of quantum superposition states interacting with environment measurement apparatus, that allows a better understanding of the transition from the quantum domain to the classical-macroscopic one. The debate on the interpretation of quantum mechanics has imperceptibly changed its nature through these developments, giving higher weight to a “physical interpretation” more clearly distinct from the philosophical one than in the old days of quantum mechanics. In particular, the concept of quantum state has undoubtedly acquired a direct physical meaning, in terms of properties of a physical system that is fully represented by a linear superposition of eigenstates, and able to propagate as such in space and time. The price for this new situation is an extension of meaning of the concepts of physical magnitude and physical state towards ones that do not correspond directly with numerical values.
Databáze: OpenAIRE