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Aurelien Drezet replied to the topic Retrocausal Bohm Model in the forum Retrocausal theories 8 years, 9 months ago
Thank you very much rod, I have still problems with the two-time boundary condition but I have to solve that myself
best wishes
Aurélien -
Aurelien Drezet replied to the topic in the forum Aurelien Drezet 8 years, 9 months ago
It is a bit late sorry, the server is making strange things like posts disscuned in mail but not appearing on this web page. I wrote you this answer a couple of days ago but it got lost :
Dear Miroljub Dugic, I have presently no idea how to give a clear answer to that question (Bohmian Mechanics is a program of research in this domain).…[Read more]
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Aurelien Drezet posted a new activity comment 8 years, 9 months ago
Dear Daniel, Thank you for your answer. The reason why I Invoke ontology is because as you just replied now ”I don’t prove that quantum mechanics is intrinsically retrocausal”. But if we dont prove and if you only suggest then you are going beyond facts? or not? Actually, my problem is the following David Hume already showed that c…[Read more]
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Aurelien Drezet replied to the topic Why Bohmian theory? in the forum Bohm's theory 8 years, 9 months ago
As a kind of comment to that I wrote here a quote By Bell I found in the paper by Daniel Rohrlich:
‘ For me, it is so reasonable to assume that the photons in those experiments carry with them programs, which have been correlated in advance, telling them how to behave. This is so rational thatI think that when Einstein saw that, and the others…[Read more] -
Aurelien Drezet replied to the topic Retrocausal Bohm Model in the forum Retrocausal theories 8 years, 9 months ago
Dear Dustin, The DGZ paper is not the only way to see Born’s rule (Chaos, H theorem etc…) and I think that it is fair to say that the derivation didnt convince every one including myself. It will be too long to discuss that today but the problem is still waiting for a good answer.
best AurelienPS: the foundation of classical…[Read more]
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Aurelien Drezet replied to the topic Retrocausal Bohm Model in the forum Retrocausal theories 8 years, 9 months ago
Dear Rod, I realized That I didnt make justice to all you comments concerning my questions. Here a small list of points:
–You wrote :’If you’re puzzled about something with the final psi, ask yourself if you would still be puzzled if you were just talking about the initial psi instead.’
This is an important point it reminds me the d…[Read more] -
Aurelien Drezet replied to the topic Retrocausality is intrinsic to quantum mechanics in the forum Retrocausal theories 8 years, 9 months ago
Dear Daniel, Your example remind me aslo the old paper by elitzur [http://arxiv.org/abs/quant-ph/0205182] where retrocausality is also involved. This is of course connected to the work by Pres. My question concerning your claim that QM is retrocausal goes like that: 1) what do you mean by QM 2) how can you prove that this version of QM is…[Read more]
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Aurelien Drezet replied to the topic God knows where all the particles are! in the forum Bohm's theory 8 years, 9 months ago
Dear Reinhard, I was not apparently allowed by my computer to write you a comment directly (probably the bohmian demon in my Windowsystem). I Copy and paste a reply in the Max section on Bohmian concerning the value of Bohmian mechanics for physics: I changed a bit the structure.
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First of all, BM offers a much better perspective…[Read more] -
Aurelien Drezet replied to the topic Counterfactual communication protocol in the forum Bohm's theory 8 years, 9 months ago
Dear Lev,
We agree, may be someone will try to develop a modified version of your protocol. This could be a nice exercice. -
Aurelien Drezet changed their profile picture 8 years, 9 months ago
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Aurelien Drezet replied to the topic Retrocausal Bohm Model in the forum Retrocausal theories 8 years, 9 months ago
Thanks a lot Rod,
You understood my question quite well . Any way on such a subject anbiguities can come easily and this is certainly my fault not yours.I will go back to your work soon I will recontact you with pleasure since I am currently writing a paper on the same subject with a different strategy.
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Aurelien Drezet replied to the topic Counterfactual communication protocol in the forum Bohm's theory 8 years, 9 months ago
Sorry Lev, My answer got lost in a parallel Universe (probably the bohmian demon).
I wanted only to say that entanglement will change all. If you use an additional BS then you are indeed in the regime that I am mentioning. But the main problem is now that Bohmian mechanics is strongly sensitive to contexts so that the time ordering of the…[Read more] -
Aurelien Drezet replied to the topic Why Bohmian theory? in the forum Bohm's theory 8 years, 9 months ago
Dear All, I think that the problem here is not if Bohmian mechanics is the good theory but to know what will happen if you abandon the old Credo of physics concerning realism à la Einstein. For me and many the most interesting aspect of Bohmian theory is that it provides a framework for solving the problems accumulated by Copenhagen followers…[Read more]
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Aurelien Drezet posted a new activity comment 8 years, 9 months ago
Yes if you include a BS you can exploit entanglement but then ,and this my point, the delay can modify the dynamic of alice in a non local way. If the system of Bob is acting fast or slow you will get a situationvery similar to your example with bubbles. Hardy in several papers showed that in bohmian mechanics the time of of the…[Read more]
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Aurelien Drezet replied to the topic Retrocausal Bohm Model in the forum Retrocausal theories 8 years, 9 months ago
Dear Rod, Like Nathan Argaman I was impressed by your first manuscript. It is indeed a bohmian version of the two-time formalism of Aharonov et al. I have however several problems with this idea. I will only discuss briefly one here. My question is what is fixing your final boundary condition? In classical physics we have some freedom…[Read more]
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Aurelien Drezet replied to the topic Counterfactual communication protocol in the forum Bohm's theory 8 years, 9 months ago
Dear Lev, Thank you once again for presenting such an interesting example. To answer to your question: ‘is this example counterfactual according to Bohmian mechanics ?’ I can say that factual means here classical. Your example is indeed counter intuitive on this you agree I think but by intuitive you only mean classical. And indeed…[Read more]
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Aurelien Drezet replied to the topic in the forum Aurelien Drezet 8 years, 9 months ago
Dear Max, Here is my reply to your question and to the provocative comments by Reinhard Werner .
First of all, BM offers a much better perspective than Copenhagen concerning describing what is reality. Reinhard Werner gives strong criticisms about the Bohm program but I think that his view is somehow misleading because he is unable to…[Read more] -
Aurelien Drezet replied to the topic Comments on Bohmian mechanics in the forum Bohm's theory 8 years, 9 months ago
Dear Richard, I would like to comment briefly on your suggestion that the so called orthodox interpretation of QM (OIQM) is better than the de Broglie Bohm approach.
I think that the crucial element which is missing in the OIQM is a clear statement of what is ontology in QM. For Bohr the world must be described by something classical but he…[Read more] -
Aurelien Drezet replied to the topic On the single-particle Bohmian account in the forum Bohm's theory 8 years, 9 months ago
Dear Ken Wharton, In my view there is no contradiction between your first impression concerning the single particle theory and the many-particles approach acting in the configuration space. Indeed, actually you are confusing the measurement problem with the ontological problem. The most basic part of Bohmian theory is of course the…[Read more]
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Aurelien Drezet joined the group 2015 International Workshop on Quantum Foundations 9 years ago
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