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AGPhil: Arbeitsgruppe Philosophie der Physik

AGPhil 3: Particles and Fields

AGPhil 3.2: Vortrag

Montag, 15. März 2010, 15:50–16:20, JUR G

The photon is no strict particle and nonlocality is far from being proven — •Karl Otto Greulich — Fritz Lipmann Institut Beutenbergstr.11 D07745 Jena

Two aspects of philosophical discussions on physics are the wave particle dualism and non locality including entanglement. However the strict particle aspect of the photon, in the common sense view, has never been proven. The accumulation time argument, the only experimental verification of a strictly particle like photon, has so far not yet been satisfied (1). Also, experiments thought to prove nonlocality have loophole which have so far not yet been safely closed, and now an even more serious loophole emerges (2). Thus, also nonlocality cannot be seen as proven. This demands some fine tuning of philosophical discussions on critical experiments in physics.

1 K.O. Greulich Single molecule experiments challenge the strict wave particle dualism of light 2010 Int J Mol Sci, in press

2 K.O. Greulich Another loophole for Bell inequalities 2009 SPIE Proceedings 7421 in press

3 see also http://www.fli-leibniz.de/www_kog/