Developments in quantum probability and the Copenhagen approach
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Citation (published version)Gregg Jaeger. 2018. "Developments in Quantum Probability and the Copenhagen Approach." ENTROPY, Volume 20, Issue 6, pp. ? - ? (19). https://doi.org/10.3390/e20060420
In the Copenhagen approach to quantum mechanics as characterized by Heisenberg, probabilities relate to the statistics of measurement outcomes on ensembles of systems and to individual measurement events via the actualization of quantum potentiality. Here, brief summaries are given of a series of key results of different sorts that have been obtained since the final elements of the Copenhagen interpretation were offered and it was explicitly named so by Heisenberg—in particular, results from the investigation of the behavior of quantum probability since that time, the mid-1950s. This review shows that these developments have increased the value to physics of notions characterizing the approach which were previously either less precise or mainly symbolic in character, including complementarity, indeterminism, and unsharpness.
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