http://www.physorg.com/news79265847.html
titled "Entangled Particle Encrypted Communication" 2 years ago on the Colossal Storage Homepage.
I think the concept of teleportation is being streched to its limit here. teleportation if there is ever such a thing would be the moving of an object from point a to b in its entirity via a transmission medium.
Holoman can you please post complete sentences, your scrap ends are very infuriating
AR
Holoman can you please post complete sentences, your scrap ends are very infuriating
AR
I think this is a great example of Information Science, where what is being 'teleported' is data, which is the ultimate foundation of the universe. Moving about particles may be nice, but transfering quantum data cound be the foundation for many applications, including the illusive quantum Computer.
One result of Austrian investigators of the Institute of Experimental Physics of Vienna set a new record of teletransportation (Quantum Entanglement) of ' Photons crossed ' in the laboratory. The scientists had obtained quantum information from fiber glass of 800 meters of length, a canal of the Danube river the being crossed transversally and covering a distance of 600 meters, published in 20 of August in the scientific magazine British "Nature".
Teletransportation characteristics between two separate atoms, guided for university professor Anton Zeilinger, is based on the phenomenon of the ' Photons Entangled ' described by the Nobel Prize Albert Einstein as "Spooky effect at a distance".
One is about an effect of quantum mechanics that is not comparable with any phenomenon of the worlds current dimensions, since the two pair entangled photons, working in opposing directions, remain entangled between themselves.
Teletransportation characteristics between two separate atoms, guided for university professor Anton Zeilinger, is based on the phenomenon of the ' Photons Entangled ' described by the Nobel Prize Albert Einstein as "Spooky effect at a distance".
One is about an effect of quantum mechanics that is not comparable with any phenomenon of the worlds current dimensions, since the two pair entangled photons, working in opposing directions, remain entangled between themselves.
I feel rather sceptical about quantum computers and teleportation. Especially when people talk about a photon as a particle implying it's a solid lump of something.
Hi Farsight
I couldn't agree more, every new development has "quantum computer" as a possibility, probably because they are short of other ideas. However, I do see a possibility that the energy we call a photon is the basic building block of all particles a billion for the smallest particle (1000 cubed seems to fit other reports). One has to conceive that it has some form
As for those who would define teleportation as communication we really do have better descriptive phrases and words which are more apropo. The use of the phrase teleportation in this way is just showing off.
Teleportation is the transfer of solid matter from point a to b, otherwise we've all been teleporting for years.
Teleportation is the disassembly of an object into a form which can be handled in a communicative form then the reassembly of the original object remote from its origin.
I do not read any such event in this article.
AR
I couldn't agree more, every new development has "quantum computer" as a possibility, probably because they are short of other ideas. However, I do see a possibility that the energy we call a photon is the basic building block of all particles a billion for the smallest particle (1000 cubed seems to fit other reports). One has to conceive that it has some form
As for those who would define teleportation as communication we really do have better descriptive phrases and words which are more apropo. The use of the phrase teleportation in this way is just showing off.
Teleportation is the transfer of solid matter from point a to b, otherwise we've all been teleporting for years.
Teleportation is the disassembly of an object into a form which can be handled in a communicative form then the reassembly of the original object remote from its origin.
I do not read any such event in this article.
AR
Agreed ARtone. There's some dodgy language kicking around when it comes to teleportation. And I'd go so far as to say Quantum Computing, or should I say David Deutsch, is crackpot. I watched a video lecture of his, and he started off saying a photon is a particle, as if longwave radio didn't exist. Then he was off about Multiple Universes, when a slight alteration in the beam splitter position would have given the result he was trumpeting.
Please note though that energy is a property of some thing, not a thing in its own right.
Please note though that energy is a property of some thing, not a thing in its own right.
This is NOT teleportation! This watered down usage of the word is becoming more frequent and we need to nip it in the bud NOW!
This is reading & sending information about the state of an object; receiving the information and then rebuilding the object.
Granted this research is amazing and very important, but it is NOT teleportation by any means. This is akin to taking a picture of a toy or model, figuring out how it is constructed and then rebuilding it from scratch. This would be a fantastic accomplishment but we are not there yet. Real teleportation would be doing the above, but figuring out how the deconstruct the actual toy down to its atoms and the rebuilding the same toy in a new spatial location.
By the way, teleportation is useless w/o integrating intelligent time travel! Due to continuos motion of everything, teleportation MUST correct for temporal & spatial dislocation simultaneously!
This is reading & sending information about the state of an object; receiving the information and then rebuilding the object.
Granted this research is amazing and very important, but it is NOT teleportation by any means. This is akin to taking a picture of a toy or model, figuring out how it is constructed and then rebuilding it from scratch. This would be a fantastic accomplishment but we are not there yet. Real teleportation would be doing the above, but figuring out how the deconstruct the actual toy down to its atoms and the rebuilding the same toy in a new spatial location.
By the way, teleportation is useless w/o integrating intelligent time travel! Due to continuos motion of everything, teleportation MUST correct for temporal & spatial dislocation simultaneously!
I dont think it is likely we would ever teleport a human....
On the scale of teleporting an object lets say 100 kg 100 meters away
-Requires way too much energy
-No guarantee the entire human will stay intact, will be teleported as a whole, and can survive being bombarded with photons to reach the required energy to tunnel through.
On the scale of teleporting an object lets say 100 kg 100 meters away
-Requires way too much energy
-No guarantee the entire human will stay intact, will be teleported as a whole, and can survive being bombarded with photons to reach the required energy to tunnel through.
Agreed, the term "teleportation" is sensualized. And the trend to see things as "information-centric" is not healthy. In an info age, we have to guard against seeing nature in that paradigm. The universe is not made of "information". Raw data, maybe, when observed.
[SIZE=1][COLOR=blue][FONT=Times] If you can teleport a photon by quantum teleportation then does that mean that at some point along the teleport line there must be some kind of conversion process? as if your transporting light you must abide by the light codes of conversion or am I just talking nonsense? for subjects larger than a photon the conversion rate is critical and subject to fluctuation. I can see the theory of success in this field 
If you can teleport a photon by quantum teleportation then does that mean that at some point along the teleport line there must be some kind of conversion process? as if your transporting light you must abide by the light codes of conversion or am I just talking nonsense? for subjects larger than a photon the conversion rate is critical and subject to fluctuation. I can see the theory of success in this field
Hmmmm, a lot of negative talk about teleportation.
Sure it ain't "beam me up scotty" teleportation, BUT IT IS TELEPORTATION!!!!!!
For it to be TRUE teleportation, then the original object needs to be destroyed, and rebuilt at it's destination. The object in this sense is a property of matter. They are taking a quantum property away from the original object and sending it to another location and giving another object that EXACT same property. This is NOT A FAX machine. The property has TRULY moved from one location to another location via a transportation medium.
Remember that they said Teleportation is impossible, as you can't scan all the properties of an object. ie, MEasuring an object imparts a change to that object, Heisenberg Uncertainty Principle. Well via ENTANGLEMENT, we CAN scan an object providing NOTHING INTERACTS with the entangled particle. Once the Entangled particle interacts with the destination object, the property is delivered. This kind of MEASURING causing destruction can be seen in the dual slit experiment. If you try to determine WHICH slit the laser light goes through, then the interference pattern dissappears. Take away your detector, and the pattern returns!!!!!!
Ohhhh and for those saying Photons are NOT particles,....... have you forgotten about WAVE-PARTICLE DUALITY??????????????
Long waves are just BIG PHOTONS!!!!!!!!!!!!!! The size of the Photon is dependent on it's wavelength!!!!!!
All this stuff is good for quantum computers, as we want to "transport" quantum properties around the quantum computer for computing.
All this stuff hinges on Entanglement. Essentially when two or more particles lose their individuality and behave as one!!!!!! The particles can then be seperated and yet they still have no identity until they collapse and their quantum properties "solidify"!!!!!! WE want to make use of this process to get them to perform computations, with the solutions to the problem "solidifying" out as real world quantum properties.
Sure it ain't "beam me up scotty" teleportation, BUT IT IS TELEPORTATION!!!!!!
For it to be TRUE teleportation, then the original object needs to be destroyed, and rebuilt at it's destination. The object in this sense is a property of matter. They are taking a quantum property away from the original object and sending it to another location and giving another object that EXACT same property. This is NOT A FAX machine. The property has TRULY moved from one location to another location via a transportation medium.
Remember that they said Teleportation is impossible, as you can't scan all the properties of an object. ie, MEasuring an object imparts a change to that object, Heisenberg Uncertainty Principle. Well via ENTANGLEMENT, we CAN scan an object providing NOTHING INTERACTS with the entangled particle. Once the Entangled particle interacts with the destination object, the property is delivered. This kind of MEASURING causing destruction can be seen in the dual slit experiment. If you try to determine WHICH slit the laser light goes through, then the interference pattern dissappears. Take away your detector, and the pattern returns!!!!!!
Ohhhh and for those saying Photons are NOT particles,....... have you forgotten about WAVE-PARTICLE DUALITY??????????????
Long waves are just BIG PHOTONS!!!!!!!!!!!!!! The size of the Photon is dependent on it's wavelength!!!!!!
All this stuff is good for quantum computers, as we want to "transport" quantum properties around the quantum computer for computing.
All this stuff hinges on Entanglement. Essentially when two or more particles lose their individuality and behave as one!!!!!! The particles can then be seperated and yet they still have no identity until they collapse and their quantum properties "solidify"!!!!!! WE want to make use of this process to get them to perform computations, with the solutions to the problem "solidifying" out as real world quantum properties.
I think a lot here are missing the point. This is a true life Ansible! Written about by dozens of Sci Fi writers. faster then light communication! not only can u transfer information safely, its instantaneous! It could be used in countless military operations, flying drones by telepresence and such. It could be used for un-maned space exploration.
It also, in a way, throws a monkey wrench into the whole gravity propagates at the speed of light idea. Seems more likely that Newton had it right the first time when he thought it was instantaneous.
It also, in a way, throws a monkey wrench into the whole gravity propagates at the speed of light idea. Seems more likely that Newton had it right the first time when he thought it was instantaneous.
What am I missing?
" First the twin pair is produced by sending a strong light pulse to a glass tube filled with caesium gas (about 1012 atoms). The magnetic moments of the gas atoms are aligned in a homogenous magnetic field. The light also has a preferential direction: It is polarised, i.e. the electric field oscillates in just one direction.
Under theses conditions the light and the atoms are made to interact with one another so that the light pulse emerging from the gas that is sent to Alice is "entangled" with the ensemble of 10 to the power of 12 caesium atoms located at Bob's site.
Alice mixes the arriving pulse by means of a beam splitter with the object that she wants to teleport: a weak light pulse containing very few photons.
The light pulses issuing at the two outputs of the beam splitter are measured with photo-detectors and the results are sent to Bob. "
To me it seems as if they send the information by 'ordinary' means, at 'c'?
What is 'hidden' is just the code created by the interaction with the entanglement?
But the signals bob and Alice need travels at 'c'.
Am I correct?
" First the twin pair is produced by sending a strong light pulse to a glass tube filled with caesium gas (about 1012 atoms). The magnetic moments of the gas atoms are aligned in a homogenous magnetic field. The light also has a preferential direction: It is polarised, i.e. the electric field oscillates in just one direction.
Under theses conditions the light and the atoms are made to interact with one another so that the light pulse emerging from the gas that is sent to Alice is "entangled" with the ensemble of 10 to the power of 12 caesium atoms located at Bob's site.
Alice mixes the arriving pulse by means of a beam splitter with the object that she wants to teleport: a weak light pulse containing very few photons.
The light pulses issuing at the two outputs of the beam splitter are measured with photo-detectors and the results are sent to Bob. "
To me it seems as if they send the information by 'ordinary' means, at 'c'?
What is 'hidden' is just the code created by the interaction with the entanglement?
But the signals bob and Alice need travels at 'c'.
Am I correct?