Teleportation
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Teleportation

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Teleportation technology in all..

Teleportation technology in all..

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Teleportation Presentation Transcript

  • 1. WELCOME TO SEMINAR
  • 2. SEMINAR ON TELEPORTATION Presented by: IQxplorer
  • 3. CONTENTS:-
    • Introduction
    • Teleportation
    • Photon experiment
    • Entanglement
    • Human teleportation
    • Quantum teleportation
    • Practical application
    • Conclusion
    • reference
  • 4. INTRODUCTION: -
    • Ever since the wheel was invented more than 5,000 years ago, people have been inventing new ways to travel faster from one point to another.
    • To avoid the problem of covering a physical distance and to minimise the time ,there are scientists working right now on such a method of travel, combining properties of telecommunications and transportation to achieve a system called teleportation
  • 5. TELEPORTATION: -
    • Teleportation involves dematerializing an bject at one point, and sending the details of that object's precise atomic configuration to another location, where it will be reconstructed.
    • What this means is that time and space could be eliminated from travel -- we could be transported to any location instantly, without actually crossing a physical distance.
  • 6.
    • In 1993, the idea of teleportation moved out of the realm of science fiction and into the world of theoretical possibility. It was then that physicist Charles Bennett and a team of researchers at IBM confirmed that quantum teleportation was possible, but only if the original object being teleported was destroyed .
    • This revelation, first announced by Bennett at an annual meeting of the American Physical Society in March 1993
  • 7.
    • TELEPORTATION will be explained with the following objects:
    • Experiments on photon
    • Human teleportation
    • Quantum teleportation
    WHERE TELEPORTATION IS POSSIBLE:-
  • 8. PHOTON EXPERIMENTS: -
    • In 1998, physicists at the California Institute of Technology (Caltech), along with two European groups, turned the IBM ideas into reality by successfully teleporting a photon , a particle of energy that carries light.
    • The Caltech group was able to read the atomic structure of a photon, send this information across 1 meter (3.28 feet) of coaxial cable and create a replica of the photon.
    Contd.
  • 9.
    • In performing the experiment, the Caltech group was able to get around the Heisenberg Uncertainty Principle , the main barrier for teleportation of objects larger than a photon.
    • This principle states that you cannot simultaneously know the location and the speed of a particle. In order to teleport a photon without violating the Heisenberg Principle, the Caltech physicists used a phenomenon known as entanglement .
    Contd.
  • 10. ENTANGLEMENT: -
    • Entanglement means achieving the properties one photon by another photon.
    • In entanglement, at least three photons are needed to achieve teleportation:
    • Photon A:The photon to be teleported
    • Photon B:The transporting photon
    • Photon C:The photon that is entangled with photon B
    Contd.
  • 11.
    • If researchers tried to look too closely at photon A without entanglement, they would bump it, and thereby change it. By entangling photons B and C, researchers can extract some information about photon A, and the remaining information would be passed on to B by way of entanglement, and then on to photon C. When researchers apply the information from photon A to photon C, they can create an exact replica of photon A. However, photon A no longer exists as it did before the information was sent to photon C.
    Contd.
  • 12.
    • Two photons E1 & K and a beam spliters (it splits a light into two equal parts)
    • are required
    • We direct one of the entangled photons, say E1 , to the beam splitter .
    • Meanwhile, we prepare another photon with a polarization of 45 degree , and direct it to the same beam splitter from the other side, as shown.
    • This is the photon whose properties will be transported; we label it K . We time it so that both E1 and K reach the beam splitter at the same time.
    PRINCIPLE OF ENTANGLEMENT :-
  • 13.
    • The E1 photon incident from above will be reflected by the beam splitter some of the time and will be transmitted some of the time. Similarly for the K photon that is incident from below. So sometimes both photons will end up going up and to the right as shown.
    • Similarly, sometimes both photons will end up going down and to the right.
  • 14.
    • However, in the case of one photon going upwards and the other going downwards, we can not tell which is which. Perhaps both photons were reflected by the beam splitter, but perhaps both were transmitted.
    This means that the two photons have become entangled .
  • 15. HUMAN TELEPORTATION: -
    • For a person to be transported, a machine would have to be built that can pinpoint and analyze all of the 10(to the power 28 ) atoms that make up the human body. That's a more than a trillion trillion atoms. This machine would then have to send this information to another location, where the person's body would be reconstructed with exact precision. Molecules couldn't be even a millimeter out of place, lest the person arrive with some severe neurological or physiological defect.
  • 16. HOW IT BE POSSIBLE: -
    • Teleportation would combining genetic cloning with digitization. In this biodigital cloning , tele-travelers would have to die, in a sense.
    • Their original mind and body would no longer exist. Instead, their atomic structure would be recreated in another location, and digitization would recreate the travelers' memories, emotions, hopes and dreams. So the travelers would still exist, but they would do so in a new body, of the same atomic structure as the original body, programmed with the same information.
  • 17.  
  • 18. Teleportation Only 20 Years Away? -- Beaming Is Believing
  • 19. QUANTUM TELEPORTATION: -
    • In quantum teleportation the original object is scanned in such a way as to extract all the information from it, then this information is transmitted to the receiving location and used to construct the replica, not necessarily from the actual material of the original, but perhaps from atoms of the same kinds, arranged in exactly the same pattern as the original. A teleportation machine would be like a fax machine, except that it would work on 3-dimensional objects as well as documents.
    Contd.
  • 20.
    • In 1993 an international group of six scientists, including IBM Fellow Charles H. Bennett, confirmed the intuitions of the majority of science fiction writers by showing that perfect teleportation is indeed possible in principle, but only if the original is destroyed.
    • it would produce an exact copy rather than an approximate facsimile, and it would destroy the original in the process of scanning it.
    Contd.
  • 21.  
  • 22.
    • This six scientists found a way to scan out part of the information from an object A, which one wishes to teleport, while causing the remaining, unscanned, part of the information to pass, into another object C which has never been in contact with A. Later, by applying to C a treatment depending on the scanned-out information, it is possible to maneuver C into exactly the same state as A was in before it was scanned. A itself is no longer in that state, having been thoroughly disrupted by the scanning, so what has been achieved is teleportation, not replication.
  • 23.  
  • 24. As the figure above suggests, the unscanned part of the information is conveyed from A to C by an intermediary object B, which interacts first with C and then with A.
  • 25.
    • . In quantum teleportation two objects B and C are first brought into contact and then separated. Object B is taken to the sending station, while object C is taken to the receiving station. At the sending station object B is scanned together with the original object A which one wishes to teleport, yielding some information and totally disrupting the state of A and B. The scanned information is sent to the receiving station, where it is used to select one of several treatments to be applied to object C, thereby putting C into an exact replica of the former state of A.
  • 26.  
  • 27.
    • This above figure compares conventional facsimile transmission with quantum teleportation (seen previously). In conventional facsimile transmission the original is scanned, extracting partial information about it, but remains more or less intact after the scanning process.
    • The scanned information is sent to the receiving station, where it is imprinted on some raw material (egg paper) to produce an approximate copy of the original
    Contd.
  • 28. THE THEORY BEHIND QUANTUM TELEPORTATION: -
    • A & B are two entagled particles created in orthogonal state .
    • C be the particle that we wish to teleport .
    • In order to cause an entaglement between A & B, this simultaneously alters the quantum state of B in such a way that when the classical information gleaned from analysis of A and C is applied to B , particle B becomes an exact replica of C.In the meantime , C has been totally disrupted and is no longer in it’s original state
  • 29. PRACTICAL APPLICATION: -
    • Physicists can already teleport tiny things, such as a beam of light or the angular spin of atomic nuclei. But physicists caution that teleportation research is still in the early development stage.
    • But within 20 years, Laflamme said teleportation could be a fundamental step in the creation of quantum computers, cryptography, and an emerging technology called " superdense coding ," in which two quantum bits could be transmitted for the price one.
  • 30. CONCLUSION: -
    • But like all technologies, scientists are sure to continue to improve upon the ideas of teleportation, to the point that we may one day be able to avoid such harsh methods.
    • One day, one of our descendents could finish up a work day at a space office above some far away planet in a galaxy many light years from Earth, tell his or her wristwatch that it's time to beam home for dinner on planet X below and sit down at the dinner table as soon as the words leave his mouth.
  • 31. REFERENCES: -
    • Information technology(Teleportation)
    • http://www.howstuffwork.com
    • http://www.wired.com
    • http://www.ibm.com
  • 32. any questions
  • 33. thank you