An Approach to Quantum Mechanics via Conditional Probabilities |
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Authors: | Gerd Niestegge |
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Institution: | (1) Zillertalstrasse 39, 81373 Munich, Germany |
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Abstract: | The well-known proposal to consider the Lüders-von Neumann measurement as a non-classical extension of probability conditionalization
is further developed. The major results include some new concepts like the different grades of compatibility, the objective
conditional probabilities which are independent of the underlying state and stem from a certain purely algebraic relation
between the events, and an axiomatic approach to quantum mechanics. The main axioms are certain postulates concerning the
conditional probabilities and own intrinsic probabilistic interpretations from the very beginning. A Jordan product is derived
for the observables, and the consideration of composite systems leads to operator algebras on the Hilbert space over the complex
numbers, which is the standard model of quantum mechanics. The paper gives an expository overview of the results presented
in a series of recent papers by the author. For the first time, the complete approach is presented as a whole in a single
paper. Moreover, since the mathematical proofs are already available in the original papers, the present paper can dispense
with the mathematical details and maximum generality, thus addressing a wider audience of physicists, philosophers or quantum
computer scientists. |
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Keywords: | Quantum probability Quantum measurement Operator algebras Jordan algebras |
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