Quantum computing has enormous potential, but faces a scalability problem. In order for a machine of this nature to be useful in real terms, it is necessary to assemble multiple quantum processors in a single location. This increases its power, but also its size, which makes it little practical and more delicate. Scientists are working on a solution that seems taken from a science fiction series: connect nuclei separated from each other through “quantum teleportation” to create even more powerful machines.
The way to that form of information transmission begins to glimpse. Recently, a team of scientists from the University of Oxford was able to send the first quantum algorithm in a “wireless” way between two separate quantum processors. The two small nuclei took advantage of their unique nature, united their abilities and formed a superior computer to solve problems that neither would solve independently.
The team led by Professor Dougal Main got distant systems to interact with each other and share logical doors using quantum intertwining. Thanks to this phenomenon of quantum mechanics, a couple of linked particles regardless of the distance can share the same state and, therefore, transmit the same information. If one changes state, the other instantly reflects it.
Oxford scientists used quantum entanglement to almost instantly send basic information between computers. When the data travel long distances under this principle, it is said that a “quantum teleportation has occurred.” It should not be confused with the idea of conventional teleportationwhich implies a hypothetical immediate exchange of matter in space. In the experiment, the light particles continued in the same place, but the entrepreneurship allowed the computers to “see” the information of the other to work with it in parallel.
According to your article published in Naturethe quantum teleportation of an algorithm was possible with photons and with modules separated by two meters. The fidelity of the information had a rate of 86%. The result of this distributed quantum computer architecture is good enough to be a viable path to large -scale technology and the quantum Internet.
Previously demonstrations of quantum teleportation in computational contexts have already emerged, but have been limited to the transfer of states between systems. The essay of the University of Oxford is distinguished because it used teleportation to create interactions between the distant nuclei. “This advance allows us to ‘connect’ effectively different quantum processors in a single quantum computer completely connected,” Main said.
If distributed quantum computing technology continues to develop, the era of giant quantum machines will be left behind. The problem of scalability will probably be solved with more machines operating together by quantum teleportation. For now, a basic processor can handle 50 qubits (minimum unit of quantum information). Some scientists estimate that a machine will be necessary with the ability to process thousands or millions of qubits to solve complex problems.
Even without interlacing, quantum machines are already powerful enough to solve problems that seem impossible. Willow, Google’s quantum chip, recently resolved in five minutes a mathematical operation that would have taken up to 10 four -year -olds to resolve in a conventional supercomputer
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