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From the universe to subsystems: Why quantum mechanics appears more stochastic than classical mechanics

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Oldofredi Andrea, Lazarovici Dustin, Esfeld Michael, Deckert Dirk-André,
Project The metaphysics of physics: natural philosophy
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Original article (peer-reviewed)

Journal Fluctuations and Noise Letters
Volume (Issue) 15
Page(s) 164002
Title of proceedings Fluctuations and Noise Letters


By means of the examples of classical and Bohmian quantum mechanics, we illustrate the well-known ideas of Boltzmann as to how one gets from laws defined for the universe as a whole to dynamical relations describing the evolution of subsystems. We explain how probabilities enter into this process, what quantum and classical probabilities have in common and where exactly their difference lies.