It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by Phage
reply to post by Tribunal
Really? The only conclusion? There seem to be several interpretations of the experimental results.
As pointed out, the only conclusion of the Delayed Quantum Eraser experiment can be that the observed end result materialises only after we look at the path info, even though the detection happened at a time when the path was still unknown. Yet it always corresponds to the later findings.
The first thing to notice is that two complementary interferences patterns, called "fringes" and "antifringes," are being selected. Their sum is the no-interference pattern obtained before inserting the polarizer. The polarizer simply selects one of the interference patterns out of the mush of their merged non-interference pattern. Thus instead of "erasing which-slit information," it selects one of two interference patterns out of the both-patterns mush.
philosophyfaculty.ucsd.edu...
Interesting that the "erased" interference can actually be recovered...even if there was nothing there to recover at all.
proceedings.aip.org...:30 PM 5/31/2013
But in any case, it has nothing to do with the existence or non-existence of the particles. It concerns entanglement and causality and the transfer of information.
edit on 5/31/2013 by Phage because: (no reason given)
Remarkably, it can be recovered even in situations where there was no which-path information to erase!
It means that the results (which were, yes, duplicated). Don't really mean much because of their ambiguity.
What does that even mean? If no which path info is present to erase, there is an interference pattern by definition.
You don't use google? Ever?
Seems like you have been googling to come up with things that you think debunk my claims, but you actually have no clue about.
I didn't say there was any flaw in the setup and neither do the sources, who know a lot more about it than I do.
These experiments are peer reviewed and their remarkable and unexplanable results are not due to an inherent flaw in the setup of these experiments.
It means that the results (which were, yes, duplicated). Don't really mean much because of their ambiguity.
You don't use google? Ever?
I didn't say there was any flaw in the setup and neither do the sources, who know a lot more about it than I do. The results are "unexplainable"? Didn't you just say there was only one explanation for them? Isn't that a contradiction? In any case if you review the sources you will see that the results are not at all "unexplainable". There are several explanations provided. Now, I'm sure that the explanation you chose must be the correct one. I just don't see what it has to do with the topic.
I understand that. But it is the "erasure" and recovery that of the information which we are talking about, isn't it? Isn't it the recovery of the interference after the erasure which demonstrates that it is not the measurement which determines the path?
It is nonsense because an interference pattern is inherent to the absence of which path info.
It has been considered that the general mechanism responsible for the loss of the interference pattern is the uncertainty principle, as no measure can be so delicate not to disturb the system which is measuring.6 However, in this experiment, the “which-way” information of the particles is found without disturbing their wavefunction. The reason of the interference loss is the quantum information contained in the measuring apparatus, by means of the entanglement correlations between the particles and the path detectors. The experiment shows that if such quantum information is afterwards erased from the system, then the interference reappears (which would be impossible in the case of a perturbation).
I'm sorry, you misunderstand. I was not attempting to "debunk" anything. I was looking for alternative explanations for a phenomenon which you said has only one possible explanation.
If you use google to debunk claims you have no clue about, you might end up mistakengly qouting pieces of text of which you think they debunk said claims, when they in fact don't at all.
Not by me, certainly. But it is interesting that the erasure (and recovery) effect was predicted before it was experimentally observed.
And are you arguing that QP weirdness is explainable within our current paradigm?
Sort of, but more that the results are subject to incorrect interpretation because the experimental design allows it. It wouldn't be the first time experimental results were interpreted incorrectly. Though not exactly analagous, the "faster than light neutrinos" at CERN comes quickly to mind.
He basically blames it on a wrong interpretation of the experiment which would mean the experiment is inherently flawed.
In science it is not required to provide an alternate explanation to replace one which has been falsified. But I disagree that Ellerman does not provide an explaination the observed phenomenon.
There obviously is, and it has not been explained.
By inserting or removing the second beam-splitter after the particle has traversed the Örst beam-splitter (as in [12]), the separation fallacy makes it seem that we can retro-cause the particle to go through both arms or only one arm. Any setup that would allow a detector to register both collapsed eigenstates (and thus to register the interference e§ects of the evolving superposition) would ipso facto be a setup that could be (mis)interpreted as "erasing" the "which-way information." That is why the separation fallacy is so persistent in the interpretation of which-way interferometer and other quantum separation experiments
I understand that. But it is the "erasure" and recovery that of the information which we are talking about, isn't it? Isn't it the recovery of the interference after the erasure which demonstrates that it is not the measurement which determines the path?
What does it mean that interference can be recovered when no such information was initially present? Or are you simply saying that the experiment in which this is done, or the interpretation of quantum theory which allows it, must be flawed?
What does it mean that interference can be recovered when no such information was initially present?
I'm sorry, you misunderstand. I was not attempting to "debunk" anything. I was looking for alternative explanations for a phenomenon which you said has only one possible explanation.
Not by me, certainly. But it is interesting that the erasure (and recovery) effect was predicted before it was experimentally observed.
Originally posted by darkbake
reply to post by Phage
I knew this as well, Phage, but good call on the detail. I failed to make that connection and debunk the argument!
By inserting or removing the second beam-splitter after the particle has traversed the Örst beam-splitter (as in [12]), the separation fallacy makes it seem that we can retro-cause the particle to go through both arms or only one arm. Any setup that would allow a detector to register both collapsed eigenstates (and thus to register the interference e§ects of the evolving superposition) would ipso facto be a setup that could be (mis)interpreted as "erasing" the "which-way information." That is why the separation fallacy is so persistent in the interpretation of which-way interferometer and other quantum separation experiments
Originally posted by Phage
reply to post by Tribunal
The Schrodinger cat experiment was meant to show the impossibility of Quantum Physics, in that current paradigm.
There is nothing in quantum mechanics which states that observation brings objects (quanta or otherwise) into existence.
Originally posted by Phage
reply to post by Tribunal
Fair enough.
That is just complete scientific bias. There is no way if knowing if you don't measure, in any way, in any time frame.
How about this then (though I don't like repeating myself), since the OP is basing his hypothesis on quantum mechanics. According to quantum mechanics those subatomic particles exist whether or not they are observed.
Originally posted by Tribunal
Seems like you have been googling to come up with things that you think debunk my claims, but you actually have no clue about.
These experiments are peer reviewed and their remarkable and unexplanable results are not due to an inherent flaw in the setup of these experiments. These kind of weird results always happen and are the mystery that is QP, and that guy that wrote that report is just another guy in denial about results he is not able to compute, much like yourself..
edit on 31-5-2013 by Tribunal because: (no reason given)
Originally posted by Phage
reply to post by Tribunal
It means that the results (which were, yes, duplicated). Don't really mean much because of their ambiguity.
What does that even mean? If no which path info is present to erase, there is an interference pattern by definition.
You don't use google? Ever?
Seems like you have been googling to come up with things that you think debunk my claims, but you actually have no clue about.
I didn't say there was any flaw in the setup and neither do the sources, who know a lot more about it than I do.
These experiments are peer reviewed and their remarkable and unexplanable results are not due to an inherent flaw in the setup of these experiments.
The results are "unexplainable"? Didn't you just say there was only one explanation for them? Isn't that a contradiction? In any case if you review the sources you will see that the results are not at all "unexplainable". There are several explanations provided.
Now, I'm sure that the explanation you chose must be the correct one. I just don't see what it has to do with the topic.
edit on 5/31/2013 by Phage because: (no reason given)