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Google Quantum Computer

05.10.2015

Google, NASA and the Universities Space Research Association (USRA) today announced that they have signed an agreement with D-Wave, under which D-Wave is committed to providing partners with future quantum processors as new models are released over a period of seven years.

Customers of quantum processors use them for research in the following areas: speech recognition, robotic space missions, air traffic control and web analytics.

As part of the agreement, Google, NASA and USRA will receive a new generation D-Wave processor - D-Wave 2X - containing 2048 physical qubits, of which 1152 qubits are used for calculations.

The new processor has more than twice as many qubits as the previous generation processor. And it is the most powerful of the created to date. Qubits are quantum objects that can be in a superposition of two states, that is, encode a logical one and zero at once.

Additional qubits provide a choice of qubits with the best performance. In addition, with modern production technologies, some of the qubits turn out to be defective, but D-Wave claims that all new processors will have more than a thousand efficient qubits.

Each additional qubit in a quantum processor doubles the search space and, accordingly, increases the speed of calculations. The new D-Wave processors are made up of six metal layers and contain more than 128 Josephson junctions. The new processor cools 40% better than the previous one, making it more reliable to select optimal results. Interference noise is also reduced by 50%.

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