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Australians will build New Type Quantum Computer

Australian scientists have proposed a fundamentally new design of the qubit and it is calculated based on the first quantum computer, designed for mass production.

In order for a quantum computer to become practically applicable technology and bypassed conventional supercomputers, it is necessary to build a quantum computer consisting of a large number of qubits – quantum discharges. The state of each of them must be able to measure and change at any time. Usually, qubits are made from individual atoms and groups of atoms, causing them to freeze in place in laser traps and manipulating their characteristics with a laser or magnetic field.

Australians will build New Type Quantum Computer

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A quantum computer performs the calculations at the expense of communication with each other. When changing the state of one, it changes the status of multiple related. In quantum computing, the qubits, which are used in laser traps, qubits must be very close to one another, so that this connection is maintained; distance usually less than 50 diameters of the atom. Do work systems of many atoms, so close to each other.

Australian researchers have proposed making qubits of phosphorus atoms, which are hidden in the wafer. In the model proposed, Guillem Tosi (Guilherme Tosi), the logical values 0 and 1 are the coded nucleus-electron pair when their backs coincide. It serves to manipulate electron spin by an electric field generated by the contacts on the surface of the silicon wafer. It’s easier than manipulating lasers and magnetic fields, the authors of claim-published in Nature Communications. Such qubits (Tosi calls them “Changeling”, flip-flop qubit) may be located at a relatively large distance from each other.

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In August, the authors of the registered company Silicon Quantum Computing Pty Ltd – the first of its kind in Australia. Her goal is the further development of the idea of a phosphorus-silicon quantum computer. Investor became the Australian Government, State Government of New South Wales, the University of the Bank of Commonwealth of the Bank of Australia and the telecommunications company Telstra; the project has already received an investment of approximately $ 80 million.

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