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Ruth Kastner replied to the topic Quantum theory is incompatible with relativity: A proof beyond Bell's theorem in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoAgain, collapse in TI for any detected quantum is associated with both emission and absorption of that quantum–two events for each detected quantum, not one. This is an important difference bewteen TI and other collapse theories, which view collapse as singling out a particular time index. That is not the case in TI. In TI, collapse establishes…[Read more]
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Richard Healey started the topic Reply to a comment on "Quantum theory and the limits of objectivity" in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoSee my post at https://arxiv.org/abs/1907.10395
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editor replied to the topic Quantum theory is incompatible with relativity: A proof beyond Bell's theorem in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoHi Ruth,
Thanks for your interesting comments! In my paper, I said:
“In collapse theories, the collapse of the wave function is simultaneous in different regions of space in a preferred Lorentz frame.”
I think this is correct. Otherwise, if the collapses of the wave function in different regions of space are not space-like seperated in any…[Read more]
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Ruth Kastner replied to the topic Microscopic account of a measurement process in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoJonathan, I have to differ with your initial claim that “Every interpretation of quantum mechanics posits, as axioms, a set of rigid idealizations about measurement.” This not the case, since the transactional interpretation does not do so. Measurement is neither idealized nor an axiom in TI (nor in RTI, the relativistic version.) In TI,…[Read more]
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Jonathan Schonfeld started the topic Microscopic account of a measurement process in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoEvery interpretation of quantum mechanics posits, as axioms, a set of rigid idealizations about measurement. (Examples: it’s intrinsically random; it’s a projection; it has a unique outcome as a pure state; a second measurement gets the same answer when applied to the output of a first measurement of the same property of the same system; the Bor…[Read more]
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Ruth Kastner replied to the topic Quantum theory is incompatible with relativity: A proof beyond Bell's theorem in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoHi Shan:
I’ve started looking at this interesting paper, but I do have to note that there is an exception to the general observation that ‘Collapse theories single out a preferred frame’. The Transactional Interpretation is a collapse theory, but it does not single out a preferred frame. This is made explicit in its relativistic development, RTI,…[Read more] -
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Aurelien Drezet replied to the topic About Wigner Friend’s and Hardy’s paradox in a Bohmian approach in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoI forgot the link to the paper: https://www.ijqf.org/archives/5401
I use this occasion to add a link to a related paper I recently submitted
(arxiv : https://arxiv.org/abs/1904.08134) with the title
‘Lorentz-invariant, retrocausal, and deterministic hidden variables’.
This work focuses on Gisin’s and Hardys’ claim purporting the impossibility…[Read more] -
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Ruth Kastner started the topic Unitary-Only Quantum Theory Cannot Consistently Describe the Use of Itself in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoThere has been much discussion about the F-R paradox, but to my knowledge, it has not yet been considered that the paradox is a consequence of the traditional assumption that quantum theory ‘really’ has only unitary dynamics; i.e., that there is no ‘objective reduction’ or physical non-unitarity in QM. Here it is argued that it is the unitary-only…[Read more]
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editor started the topic Earlier references related to this workshop in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoWigner, E.: Remarks on the mind-body question. In: Good, I. (ed.) The Scientist Speculates. Heinemann, London (1961)
Deutsch, D. Quantum theory as a universal physical theory. Int. J. Theor. Phys. 1985, 24, 1–41.
Hardy, L. Quantum mechanics, local realistic theories, and Lorentz-invariant realistic theories. Phys. Rev. Lett. 1992, 68, 2…[Read more]
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Aurelien Drezet started the topic About Wigner Friend’s and Hardy’s paradox in a Bohmian approach in the forum
2019 International Workshop: Beyond Bell's theorem 5 years, 2 months agoThis [1] is an analysis of the recently published article ‘Quantum
theory cannot consistently describe the use of itself’ by D. Frauchiger and
R. Renner [1]. Here I decipher the paradox and analyze it from the point of
view of de Broglie-Bohm hidden variable theory (i.e., Bohmian mechanics).
I also analyze the problem from the perspective obt…[Read more] -
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