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pallidin

Is our Entire Universe "entangled"

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pallidin

Supposedly our universe started from a "singularity"

Would that not make "Everything" quantum-entangled before, and lasting through, expansion?

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bison

It would seem so, at least to this non-specialist. It's maintained that such entanglement can not serve as an information conduit, like radio without the light-speed limit. I wonder, though, if it might be the basis for an intuitive connection to the universe and all that it contains. 

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papageorge1
1 hour ago, pallidin said:

Supposedly our universe started from a "singularity"

Would that not make "Everything" quantum-entangled before, and lasting through, expansion?

Deep thoughts.......and I think they are on the right track as this universe gets more and more mysterious the deeper we look.

We want to look at the universe in models and behavior our macro-thinking minds can relate to, but strange phenomena tells me our understanding only works for macro events and then only 99.999...% of the time (paranormal events even sneak in to our macro observation)..

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danydandan
Posted (edited)
1 hour ago, pallidin said:

Supposedly our universe started from a "singularity"

Would that not make "Everything" quantum-entangled before, and lasting through, expansion?

I don't think so.

Most every observable particles are not in a state of entanglement, in the quantum scale, I think you can use electron spin and use it as an example. If everything was in a state entanglement with each other we would not have variable statistical analysis if you observed one electron the state of other electrons would be determined by that entanglement if that makes sense.

I suppose you can look at Bose-Einstein condensates as that wouldn't exist either if everything was entangled.

Well on the other hand the many universe theory suggests everything is entangled.

Edited by danydandan
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bison
3 hours ago, danydandan said:

I don't think so.

Most every observable particles are not in a state of entanglement, in the quantum scale, I think you can use electron spin and use it as an example. If everything was in a state entanglement with each other we would not have variable statistical analysis if you observed one electron the state of other electrons would be determined by that entanglement if that makes sense.

I suppose you can look at Bose-Einstein condensates as that wouldn't exist either if everything was entangled.

Well on the other hand the many universe theory suggests everything is entangled.

Well, it seems that the intriguing questions would then be: If universe creation scenarios with a singularity at the start seem to imply complete entanglement, why is this not what is observed? Is emergence of the universe from a singularity an illusion, or could something break the ties of entanglement after they are formed?  

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danydandan
Posted (edited)
23 minutes ago, bison said:

Well, it seems that the intriguing questions would then be: If universe creation scenarios with a singularity at the start seem to imply complete entanglement, why is this not what is observed? Is emergence of the universe from a singularity an illusion, or could something break the ties of entanglement after they are formed?  

People misinterpret the term singularity. Or rather what was in the singularity if that makes sense, there was no particles, but if you consider that the singularity was energy. Or primordial energy I should say. This energy was lumpy or not spread out evenly some theories suggest if it was smooth or spread evenly then the universe wouldn't exist. So from this energy virtual particles may have been made, probably made. A single particle may have started inflation or the big bang. Now if you take into account asymmetry more matter particles were created than antimatter particles. Because of asymmetry and virtual particles we can assume that not everything is in a state of entanglement.

These theories may or may not be correct, so if you look at the many world's theory entanglement takes place in multiple universes. So the act of observing, measuring, particles causes another universe to form with the opposite observation in this universe, it allows for asymmetry. It also accounts for why we see observe things not bring in a state of entanglement in this universe if that makes sense.

Edited by danydandan

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pallidin

It likely is, without saying, extraordinarily complex.

During original creation an "unimaginably energetic" singularity came into existence.

The source of that energy remains unknown.

Mathematically, "entanglement" would occur by default of a singularity.

Also, mathematically, more "dimensions" were spontaneously created than the ones we comfortably acknowledge.

Perhaps some levels of deep-entanglement can not be observed outside those other dimensions.

Just speculating, of course.

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sepulchrave

Not sure if this will answer more questions than it raises, but...

Reducing the entanglement of a system is equivalent to increasing the entropy of the system.

So the question: ``If the Universe started as a pure entangled state, why is it mostly separated now?'' is equivalent to the question ``Why does the second law of thermodynamics exist?''

For a technical reference, see the section on subadditivity in the Wiki article on von Neumann entropy.

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