Teleportation is possible?

That clearly is teleportation to the quantum level.

For science fiction writers and screenwriters in their teleportation invented worlds has long been a standard of transport service. For more quick and convenient way to travel in space and difficult to imagine. Even serious scientists support this exciting prospects for its unusual idea of a lightning move from point A to point B.

Thus, even the founder of cybernetics, Norbert Wiener in his work "Science and Society" dedicated to "the possibility of travel by telegraph" a chapter. Since then, it's been over half a century, and during that time we almost come close to the dream of mankind of such trips. Indeed, in several laboratories around the world carried out a successful quantum teleportation.

Quantum Teleportation is because quantum objects - atoms - have such properties, which are caused by the laws of the quantum world and in the macrocosm, that is, in our usually not observed. These are the properties of particles and form the basis of experiments on teleportation. In addition, it is important to understand that quantum teleportation - a transfer is not an object, but an unknown quantum state of one object to another quantum object. Not only that the quantum state teleportation object and remains a mystery to us, it also irreversibly destroyed. But what happens exactly - so is that in these experiments produced an identical state of another object in another location.

The first experiment on quantum teleportation of a photon polarization state was held in 1997, a group of physicists led by Anton Zeilinger (University of Innsbruck) and Francesco De Martini (University of Rome).

The experiments were continued in 2004, physicists M. Riebe and MDBarrett. In 2006, the research group of the Neils Bohr Institute in Copenhagen, was first performed successful teleportation between objects of different nature - the laser photons and cesium atoms.

23 January, 2009 for the first time scientists have teleported the quantum state of the ion by one meter. And now a new breakthrough - May 16, 2010 Physics from the Science and Technology of China and Tsinghua University, conducted an experiment to transfer the quantum state of photons at 16 kilometers in free space. It is almost fantastic

Earlier experiments with photons used fiber-optic communication lines of a few hundred meters, and the authors have opted for a transfer in free space, said compulenta.

The experiment was designed by well-known scheme with three photons A, B and C. It sender and receiver are given C and B photons from entangled pairs, and the sender, who is also a particle A by taking measurements of AC, resulting in an initial state And destroyed. The measurement result is sent to the standard channel receiver, which then conducts the necessary transformation on the particle B and restores the original state A.

The quantum channel is connected Badaling, located 75 km from Beijing, and Huaylay that in Hebei province. Pairs of entangled photons, one of which is sent to a distance of 16 km, the physics obtained by the method of spontaneous parametric scattering using crystal beta-barium borate β-BaB2O4.

Reportedly, some based on the experience of reliability index for the transfer of quantum state was equal to 89%.

By the way, despite all the advancements in quantum teleportation, teleportation prospects rights remain elusive. Practice in this case is much more complicated theory. So you and I hardly have to travel the worlds with the help of teleportation, and even more so - with guaranteed security, because one mistake is enough and can turn into a meaningless set of atoms.

In the meantime, the practical application for quantum teleportation was found quickly - that quantum computers, where information is stored as a set of quantum states. Here quantum teleportation has been an ideal way to transfer data, which essentially eliminates the possibility of intercepting and copying information transmitted.

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