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Quantum Computers Getting Closer

#1
Zinjanthropos Offline
Saw this on CBC News site.

I was under the impression that it was not possible to transfer information via entangled particles. Something about randomness. Not sure if teleportation deals with the same principles. By the sounds of this story, quantum computers will be very, very secure.
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#2
Secular Sanity Offline
Is this the randomness that you were thinking about?

"The "teleportation" comes in because you can move C as far away as you like.  Once you compare A and B you can then shout (or, for a long distance teleport, call on the phone) "same" or "different", and whoever has C can leave it alone or flip it over.  The unknown state of A has been teleported to C.  Notice that, until you tell C’s owner about the result of the same/different measurement, the state of C has absolutely nothing to do with the state of A.  This is the big limitation of teleportation and why it isn’t faster than light; you have to communicate the results of the measurement, and that communication is through ordinary, not-faster-than-light channels.  Without that communication C remains random and has nothing to do with A."

http://www.askamathematician.com/2013/01...han-light/
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#3
cosmictraveler Offline
Wouldn't the earths magnetic field interfere with the quantum world?
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#4
Zinjanthropos Offline
SS...Nice explanation, is that the No-Teleportation Theorem?
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#5
stryder Offline
I have an idea on this subject for a while, although unfortunately I've not been able to go mainstream with it.

It's based on the assumption that:
  • Our Universe is actually a Multiversal layered composite
  • Our Universe appears singular because those Multiversal layers are pretty much the same as each other (in the sense they are entangled to be one Universe) with only the smallest of differences being possible.
  • Using a computational function, it would be possible to switch state to those Multiversal layers although initially not much difference would be observed.
  • This isn't random, it's not nature, it is in fact by design and provides a clue that humanity is more responsible for the universe it exists in.

The theory requires two separate pairings:
Let's say you have two electric toothbrushes and their base charging station. from a singular universe perspective, they are two separate pairings. However if you utilise a computation function to "Split" the universe into it's multiversal layered spectrum and then commanded a robotic arm to move the two toothbrushes around so they replace the exact universal positioning of each other, it can be hypothesised that they would indeed share particle properties with each other.

This would lead to the hypothesis that if you place one of the toothbrushes in the charging station, it would actually generate the electromagnetic induction of being charged for the unit that isn't actually in a charging station. Further still there would be no degrade in how far it would be possible to charge, as long as one split-paired toothbrush remains in the charger. (The distance is infinite)

If applied to the concept of Powerstations and substation, it would be possible to remove a large amount of electricity cabling and remove the negated effect of energy transversing over distances. (Less pull on reactors, less brown outs etc)

The same methodology for the toothbrush can also be applied to communication, replace the toothbrush analogy with a planetary Rover, send one rover onto another planet and keep the other in a hangar on earth. This way a charge can be maintained and realtime communication is possible (rather than suffering the delay over distance).

Further still there is the potential for some inter-dimensional alloy compositing that could lead to some super light weight material methods.(at least that's the buzz wording) If you had an array of 50 aluminium sheets all kept flat in a hangar and was able to do this multiversal switcharoo with every sheet, so that the first sheet is placed in a different position with each other sheet through universe. The universal Stack of sheets could well have properties that respond across all it's sub-layers, for instance using a blowtorch on it at the universal level would dissipate the energy across all other subsequent sub-layers, if you tried to punch a hole through the sheet it could possible have the resistance equal to all it's sub-layers.

I considered it's use for space ships, as those all other sheets but one would remain on earth where they can be cooled, heated, observed and repaired just to maintain the properties of the single sheet used within the ship itself.
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#6
Secular Sanity Offline
(Sep 22, 2016 02:29 AM)Zinjanthropos Wrote: SS...Nice explanation, is that the No-Teleportation Theorem?

No. It’s just part of an explanation to a question that was asked. I assumed that the randomness that you were thinking of was the result of the measurement of the first particle, which is completely random. There is no way to predict it, but as soon as they measure the first particle, they can determine the properties of the second particle.

(Sep 21, 2016 08:44 PM)cosmictraveler Wrote: Wouldn't the earths magnetic field interfere with the quantum world?

I’m not entirely sure but I think that the whole goal of quantum teleportation is to reduce any interference with the environment. You can lose the coherent interactions due to entanglement with the environment. Surviving quantum decoherence is the basis of quantum teleportation.

After looking through some of their references, it looks like increases in magnetic field strength may not reduce dechohence, but lower temperatures or different crystal orientations could result in further reduction.

https://en.wikipedia.org/wiki/Quantum_decoherence
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