Talk: Flavio Del Santo and Nicolas Gisin

The Geneva Symmetry Group and the Metaphysics of Quantum Objects project are happy to announce a talk by Flavio del Santo and Nicolas Gisin (UNIGE) this coming week. Their talk (abstracts below) will be on Wednesday, 26 April 2023, in Room L208 (Landolt), 16:15-17:45:

Flavio del Santo and Nicolas Gisin (UNIGE): Potential realism: A realistic and indeterministic physics based on propensities

We propose an interpretation of physics named potential realism. This view, which can be applied to classical as well as to quantum physics, regards potentialities (i.e. intrinsic, objective propensities for individual events to obtain) as elements of reality, thereby complementing the actual values taken by physical variables. This allows one to naturally reconcile realism and fundamental indeterminism in any theoretical framework. We discuss our specific interpretation of propensities, that require them to depart from being probabilities at the formal level, though allowing for statistics and the law of large numbers. This view helps reconcile classical and quantum physics by showing that most of the conceptual problems that are customarily taken to be unique issues of the latter –such as the measurement problem–, are actually in common to all indeterministic physical theories.

In terms of technical difficulty, this talk rates 3/5 Einsteins.

For a video of the talk, visit our YouTube channel:


About wuthrich

I am a philosopher of physics at the University of Geneva.
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