The teleportation tag has no wiki summary.
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Why are the equal probabilities for Bell state measurement outcomes essential for “quantum teleportation”?
I've recently been introduced to the basics of finite-dimensional quantum mechanics from a purely mathematical point of view (with a quantum-information theme to it). When discussing quantum ...
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Mathematical explanation of quantum teleportation
I am now studying quantum teleportation. I get what the process is like but I'm wondering why it happens this way.
You've got two entangled particles A and B whose wavefunctions are entangled. You ...
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How large must the Quantum teleportation fidelity have to be in order for it to be useful?
This question relates and stems from my original question. Please read this one and the comments before answering this question.
Quantum Teleportation Fidelity
I know that for discrete variables ...
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Quantum Teleportation Fidelity
I understand that quantum teleportation fidelity is the overlap of the initial quantum state with the teleported quantum state. If the teleportation is perfect, then the fidelity would equal 1 or 100% ...
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Can two distinct spatially separated many-body systems in the ground state contain entangled particles?
In particular, I am asking if two distinct many-body systems (e.g. system A and system B) separated at some arbitrary distance will necessarily be found to contain entangled particles (such that ...
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192 views
Where do black holes go?
According to many physicist what ever goes near to a black hole is pulled by it sucked up in a parallel universe. As far as i know black holes are also made up of material particles as any other thing ...
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What is a Hilbert space filter?
In a recent paper,
Side-Channel-Free Quantum Key Distribution, by Samuel L. Braunstein and Stefano Pirandola. Phys. Rev. Lett. 108, 130502 (2012). doi:10.1103/PhysRevLett.108.130502, ...
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A foundational question about entanglement
The recent Nature article
http://www.nature.com/news/data-teleportation-the-quantum-space-race-1.11958
prompts me to ask this question, which is of the same tenor as that asked at the recent Perimeter ...
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Can objects, animate or inanimate, be constructed out of basic particles?
If all the elements are made of protons, neutrons and electrons, but some elements are much rarer and more expensive than others, would it be possible to break apart atoms of one element and make ...
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Why do they call it quantum teleportation?
So I have been trying to learn about entanglement and quantum teleportation and from what I've been able to gather so far, the teleportation part seems to be misleading.
At first I thought that the ...
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Classical Communication in Quantum Teleportation
How we could define the classical communication in the quantum teleportation protocol?
I mean, classical communication means to send a classical signal. But what happens if we are in an unclear ...
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Understanding a Physics Paper on Quantum Teleportation of Continuous variables
The paper I am trying to understand is here:
http://pra.aps.org/abstract/PRA/v49/i2/p1473_1
The paper describes the quantum teleportation protocol in a general case with continuous dynamical ...
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Experimental realization of Quantum Teleportation of Spin, not polarization, not ions or atoms
I've looked everywhere in databases my school provides, to google searches, to the questions asked in physics forums, and here. As I understand, the original QT (quantum teleportation) protocol ...
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Using Quantum Teleportation in a way to have the effect of matter teleportation
So, I understand that quantum teleportation is the transfer of a quantum state from one particle or system of particles and its correlations to another receiving system consisting of particle(s). ...
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313 views
What is the difference between Quantum teleportation and Radio waves?
Quantum teleportation over 143 kilometres using active feed- forward
What is the difference between Quantum teleportation and radio waves?
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Are the electrons in a quantum hall edge state entangled?
I am reading the paper on Quantum Energy Teleportation by Yusa, Izumida and Hotta(This article), and it seems that they are assuming that the quantum hall edge state is a quantum correlated state, ...
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Can you use a wormhole to travel through space not time?
I want to know if you could theoretically travel from your house to work via a wormhole but stay in the present day...without changing time. Kind of like teleportation but harnessing the energy of a ...
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Is the translational information all that matters, or do we need to take into account internal states?
For anyone in this community that's familiar with quantum teleportation, I need desperate help. I am currently working on my senior thesis and my goal is to teleport a molecule.
Background:
So in ...
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Conservation of energy in quantum teleportation
Consider the quantum state teleportation protocol of Bennett et. al.
How does one prove that this protocol would never violate the conservation of energy? At the face of it, it doesn't seem to be ...
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Could teleportation ever really happen?
Could any form of matter teleportation every really happen?
If so, what form would it take? Some science-fiction talks about literally sending the atoms from one location to another; others talk of ...
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Why can't quantum teleportation be used to transport information?
Kaku Michio says in an interview that we've teleported photons, cesium atoms and beryllium atoms. Having watched a lot of Kaku as well as way too many astrophysics documentaries in general, I know ...
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If the universe is infinite, shouldn't I already have been contacted by a time and space travelling doppelgänger?
If the universe is infinite, by virtue of chance it means that every possible configuration of matter must exist somewhere (according to this documentary).
Therefore, if we accept that the universe ...
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893 views
What are the benefits of quantum information “teleportation”?
I read occasionally popular science articles and from time to time encounter issues about quantum information teleportation. (this one for example http://www.physorg.com/news193551675.html)
So far I ...
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Designing a plausible faster than light drive: the Space Skip Drive [duplicate]
Possible Duplicate:
Is the Portal feasible in real life?
I'm designing a plausible faster-than-light (FTL) drive for a SF universe. Here's what I have so far. I'm aware of existing ...
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Is this a possible scenario for the teleportation of energy?
Ok, so I've been reading a paper (Here's the paper) published by a physicist named M. Hotta et al. recently and as far as I can tell with my limited understanding, the protocol for the teleportation ...
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376 views
Is the Portal feasible in real life?
Firstly, I assume prior knowledge/experience with the game Portal.
Should it be possible that two openings (circles/unidentified-constructions) would work as interchangeable gates? With one opening ...
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586 views
Can quantum communication really replace electromagnetic waves for telecommunication medium in future?
Currently I am planning to get masters degree. So I am thinking about a subject in which I have to get masters degree. Following are my questions to leading physicists..
Which technology is the ...
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Is traveling at the speed of light the same thing as teleportation?
If I were on one side of the room and moved at the speed of light to the other side of the room, to an observer it would appear that I teleported. If time stops at that speed, it would be ...
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Is the quantum state or information of a particle is all that differentiates it from another particle?
So I have learned in my QM classes that you can't tell one electron from another electron. They are indistinguishable. I also learned that the wavefunction of a particle includes the spacial part and ...
