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Valia Allori joined the group
John Bell Workshop 2014 6 years, 8 months ago -
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Ruth Kastner replied to the topic The Relativistic Transactional Interpretation is a Collapse Theory in the forum
2017 International Workshop: Collapse of the Wave Function 6 years, 9 months agoJust an update that this paper has been accepted in this journal.
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Ruth Kastner started the topic The Relativistic Transactional Interpretation is a Collapse Theory in the forum
2017 International Workshop: Collapse of the Wave Function 7 years agoReasons to consider the Relativistic Transactional Interpretation, which allows for collapse without changing the basic quantum theory (and remedies shortcomings in the original TI):
On the Status of the Measurement Problem: Recalling the Relativistic Transactional Interpretation
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Wayne C. Myrvold started the topic Ontology for Collapse Theories in the forum
2017 International Workshop: Collapse of the Wave Function 7 years, 2 months agoIn this chapter, I will discuss what it takes for a dynamical collapse theory to provide a reasonable description of the actual world. I will start with discussions of what is required, in general, of the ontology of a physical theory, and then apply it to the quantum case. One issue of interest is whether a collapse theory can be a quantum state…[Read more]
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Ilja Schmelzer replied to the topic Three arguments for the reality of wave-function collapse in the forum
2017 International Workshop: Collapse of the Wave Function 7 years, 2 months agoDear Shan,
I would object to your claim (paper) about a problem of dBB with the Born rule. The point is that it is not the relative positions of the Bohm particles which matters, but their absolute positions.
Of course, what humans perceive as a measurement result would have to be, in principle, relative. But simply including the positions…[Read more]
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Michael Devereux started the topic Reduction of the atomic wavefunction within the Stern-Gerlach magnetic field in the forum
2017 International Workshop: Collapse of the Wave Function 7 years, 3 months agoReduction of the atomic wavefunction within the Stern-Gerlach magnetic field.
Michael Devereux (Los Alamos National Lavoratory, retired)
It’s easy to show that the quantum wavefunction of an atom traversing a Stern-Gerlach magnet is immediately reduced to a single spin-direction eigenfunction when a magnetic field quantum is transferred to t…[Read more]
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Robert Griffiths replied to the topic Three arguments for the reality of wave-function collapse in the forum
2017 International Workshop: Collapse of the Wave Function 7 years, 4 months ago5 June 2017
Dear Shan,
First me suggest you take a look at my contribution to this workshop under the heading of “Wavefunction Collapse Not Needed”, as then some of the following comments will make more sense. In particular, note the representation of physical properties by means of Hilbert subspaces or the corresponding projectors. This idea…[Read more]
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Robert Griffiths started the topic Wavefunction Collapse Not Needed in the forum
2017 International Workshop: Collapse of the Wave Function 7 years, 4 months agoThere 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 7 years, 4 months agoMy 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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