NEC, JST and RIKEN demonstrate world's first controllably coupled qubits
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NEC, JST and RIKEN demonstrate world's first controllably coupled qubits from PhysOrg.com
NEC Corp., Japan Science and Technology Agency (JST) and the Institute of Physical and Chemical Research (RIKEN) have together successfully demonstrated the world's first quantum bit (qubit) circuit that can control the strength of coupling between qubits. Technology achieving control of the coupling strength between qubits is vital to the realization of a practical quantum computer, and has been long awaited in the scientific field.
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1 comment:
D-Wave built the first controllable coupler of this type, and published the result in Phys. Rev. Lett. 98, 177001 (2007). The NEC people knew this and lied in their press release.
Also D-Wave patented the design NEC showed in this article nearly 3 years ago.
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