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Developments in Quantum Probability and the Copenhagen Approach

by Gregg Jaeger 1,2
1
Quantum Communication and Measurement Laboratory, Department of Electrical and Computer Engineering, Boston University, Boston, MA 02215, USA
2
Division of Natural Science and Mathematics, Boston University, Boston, MA 02215, USA
Entropy 2018, 20(6), 420; https://doi.org/10.3390/e20060420
Received: 2 May 2018 / Revised: 26 May 2018 / Accepted: 28 May 2018 / Published: 31 May 2018
(This article belongs to the Special Issue Quantum Probability and Randomness)
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. View Full-Text
Keywords: quantum probability; potentiality; complementarity; uncertainty relations; Copenhagen interpretation; indefiniteness; indeterminism; causation; randomness quantum probability; potentiality; complementarity; uncertainty relations; Copenhagen interpretation; indefiniteness; indeterminism; causation; randomness
MDPI and ACS Style

Jaeger, G. Developments in Quantum Probability and the Copenhagen Approach. Entropy 2018, 20, 420.

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