Heisenberg's Uncertainty Relation and Bell Inequalities in High Energy Physics

Details Heisenberg's Uncertainty Relation and Bell Inequalities in High Energy Physics Heisenberg's Uncertainty Relation and Bell Inequalities in High Energy Physics

2011-01-24

arxiv.org/abs/1101.4517v1

Physics

Quantum Physics

17 pages

Scientific paper

10.1007/s10701-011-9575-y

An effective formalism is developed to handle decaying two-state systems. Herewith, observables of such systems can be described by a single operator in the Heisenberg picture. This allows for using the usual framework in quantum information theory and, hence, to enlighten the quantum feature of such systems compared to non-decaying systems. We apply it to systems in high energy physics, i.e. to oscillating meson-antimeson systems. In particular, we discuss the entropic Heisenberg uncertainty relation for observables measured at different times at accelerator facilities including the effect of CP violation, i.e. the imbalance of matter and antimatter. An operator-form of Bell inequalities for systems in high energy physics is presented, i.e. a Bell-witness operator, which allows for simple analysis of unstable systems.

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