Remote-Sensing Quantum Hyperspace by Entangled Photon Interferometry

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The discussion centers on a paper that revisits the Delayed Choice Quantum Eraser Experiment, asserting that it contains overlooked topological properties that prevent the extraction of future-related information through quantum entanglement. The authors propose that by modifying the experiment, it may be possible to gather quantum-level information from hypersurfaces beyond the future lightcone without violating causality. This suggests a potential method for scanning quantum properties akin to background microwave radiation, revealing non-observable regions of the universe. The implications of this research could lead to significant advancements in understanding quantum mechanics and information extraction. Overall, the findings challenge previous notions about the limitations of quantum entanglement in relation to time and information.
ShotmanMaslo
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http://arxiv.org/abs/1101.2223

Abstract

Even though ideas of extracting future-related, or Faster-Than-Light (FTL) information from hyperspace using quantum entanglement have generally been refuted in the last ten years, in this paper we show that the original 'Delayed Choice Quantum Eraser Experiment', 1st performed by Yoon-Ho Kim, R. Yu, S.P. Kulik, Y.H. Shih, designed by Marlan O. Scully & Druhl in 1982-1999, still features hidden topological properties that may have been overlooked by previous analysis, and which prohibit, by principle, the extraction of future-related or real-time information from the detection of the signal particle on the delayed choice of its entangled idler twin(s). We show that such properties can be removed, and quantum-level information from certain hypersurfaces of past, present or future spacetime may be collected real-time, without resulting in any paradox or violation of causality.

"Quantum property map could be scanned just like background microwave radiation; showing the optically non-observable regions of our universe."

http://en.wikipedia.org/wiki/Quantum_radar

This paper essentially claims it is possible to extract information from hypersurfaces lying outside of your future lightcone (past, present future) by modified delayed-choice quantum eraser experiment.
 
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Sounds good for another Coast-to-Coast episode.
 
I am slowly going through the book 'What Is a Quantum Field Theory?' by Michel Talagrand. I came across the following quote: One does not" prove” the basic principles of Quantum Mechanics. The ultimate test for a model is the agreement of its predictions with experiments. Although it may seem trite, it does fit in with my modelling view of QM. The more I think about it, the more I believe it could be saying something quite profound. For example, precisely what is the justification of...

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