Local teleportation using classical entanglement

In summary, the concept of teleportation, which was once thought to be exclusive to quantum mechanics, has been extended to apply to classical systems through the use of a "cebit." This new analogy allows for the development of classical techniques for entanglement and teleportation, but ultimately has no connection to quantum mechanics. Additionally, a protocol for teleporting classical information has been proposed, but it is deemed unnecessary as the state can be fully known without the use of this protocol.
  • #1
Nicky665
18
0
http://onlinelibrary.wiley.com/doi/10.1002/lpor.201500252/abstract

https://arxiv.org/pdf/1509.06217v2.pdf

"...it has been implicitly assumed that this scheme is of inherently nonlocal nature, and therefore exclusive to quantum systems. Here, we experimentally demonstrate that the concept of teleportation can be readily generalized beyond the quantum realm"

"we have shown that teleportation is a general concept, that
transcends the distinction between classical or quantum systems"

I thought teleportation is exclusive to QM ?
 
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  • #2
Teleportation was exclusive to QM. But these authors have re-defined the word to apply classically. It's based on a "cebit" which is a "classical analogue" of the qubit. Meaning, a contraption which has the same (at least, very similar) mathematical formulation, but the underlying physics is completely different. Most important it exhibits no non-locality (or whatever one wants to call that exclusively quantum property). Having defined that analogy, they can, and do, develop analogies for entanglement, teleportation, and no doubt other quantum concepts. Every new analogy is worth another published paper. The concept looks interesting and may stimulate new classical techniques. But - apart from the analogous words - it really has nothing to do with quantum mechanics.
 
  • #3
From a quick view, it looks like this:

Write "1" and "0" on two classical letters, put them in envelopes, mix, give one to Alice and one to Bob.
Alice wants to transmit her bit. She opens the envelope and performs a classical XOR of her bit with the bit in the letter, then sends this information to Bob. Bob uses the information and his letter to reconstruct the teleported bit.
An unnecessary protocol: Teleporting classical information is pointless as you can fully know the state.

You can use more than just "1" and "0", but the idea should be the same.
 

Related to Local teleportation using classical entanglement

What is local teleportation using classical entanglement?

Local teleportation using classical entanglement is a theoretical concept in quantum mechanics that involves using entangled particles to transmit information between two locations without physically moving the particles themselves.

How does local teleportation using classical entanglement work?

In this process, two particles become entangled, meaning their quantum states are linked even if they are physically separated. One particle remains at the sending location while the other is sent to the receiving location. By manipulating the state of the entangled particle at the sending location, the state of the particle at the receiving location can be changed, essentially "teleporting" the information from one location to the other.

What are the potential applications of local teleportation using classical entanglement?

If this concept were to be successfully implemented, it could have significant implications in fields such as quantum computing and secure communication. It could also potentially lead to faster and more efficient methods of data transfer.

Is local teleportation using classical entanglement possible?

Currently, local teleportation using classical entanglement is a theoretical concept and has not been proven to be achievable in practice. However, experiments have been conducted that demonstrate the principles of entanglement and its potential for information transfer.

What are some challenges and limitations of local teleportation using classical entanglement?

One of the main challenges is the fragility of entangled particles, which can easily lose their entanglement due to external factors. Additionally, there are technical difficulties in controlling and manipulating the entangled particles. There are also ethical and philosophical considerations surrounding the concept of teleportation itself and the potential consequences of its implementation.

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