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A: Fachverband Atomphysik

A 34: Correlation Phenomena

A 34.3: Vortrag

Donnerstag, 5. März 2026, 15:00–15:15, N 25

Bell's theorem and non-commutation — •Carsten Held — Nonnenrain 2, 99096 Erfurt, Germany

Bell's theorem, in the form of the CHSH inequality (<ab> + <ab'> + <a'b> - <a'b'> * 2), can be derived using the presupposition that the values of hidden variables are scalars, not vectors. Here the relation of this thought with geometric algebra more generally is explored. Non-commutation appears as a key to understanding the significance of Bell's theorem.

Keywords: Bell's theorem, CHSH inequality, non-commutation