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Robert Griffiths started the topic Wavefunction Collapse Not Needed in the forum 2017 International Workshop: Collapse of the Wave Function 6 years, 11 months ago
There is no need for wavefunction collapse in standard quantum mechanics. Probabilities assigned by the Born rule are sufficient. In the case of measurements of a simple sort, Kraus operators can be used to generate a “collapsed state” of the measured system, but this is fully justified using the Born rule and conditional probabilities; no sep…[Read more]
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editor started the topic On the Status of Primitive Ontology in the forum 2017 International Workshop: Collapse of the Wave Function 6 years, 11 months ago
My argument here is that, in the case of spontaneous collapse theories, primitive ontology is redundant, in the sense that the structures exhibited by the primitive ontologies that allow them to solve the problems facing spontaneous collapse theories are also present in the wave function. But redundancy is not nonexistence; indeed, the fact that…[Read more]
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Robert Griffiths replied to the topic Collapse. What else? in the forum 2017 International Workshop: Collapse of the Wave Function 6 years, 11 months ago
Dear Nicolas,
I appreciate your including some references [19] to older work on the consistent histories (CH) approach, at the beginning of your discussion of Bohmian mechanics (BM) in Sec. III. That could, unfortunately, give the reader the mistaken impression that CH has something to do with BM, whereas the two approaches are quite different.…[Read more]
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Arthur Jabs started the topic reduction and measurement in quantum mechanics in the forum 2017 International Workshop: Collapse of the Wave Function 6 years, 11 months ago
A conjecture concerning determinism, reduction, and measurement in quantum mechanics∗
Arthur Jabs
Alumnus, Technical University Berlin. Voßstr. 9, 10117 Berlin, Germany [email protected]
(29 May 2017)
Abstract. Determinism is established in quantum mechanics by tracing the probabilities in the Born rules back to the absolute (o…[Read more] -
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Ruth Kastner posted an update in the group 2017 International Workshop: Collapse of the Wave Function 6 years, 11 months ago
I hope that the editors of the mentioned volume will consider non-unitary collapse in the transactional picture. I realize that this is not considered a ‘mainstream’ approach, but there are ample peer-reviewed publications on it with no refutations that I’m aware of. A recent peer-reviewed publication on the advantages of collapse for…[Read more]
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