Google's take on the quantum computer

Subject: General Tech | June 14, 2016 - 05:14 PM |
Tagged: google, quantum computing

 IBM, D-Wave and Google are the major players in quantum computing research, with each taking a different route towards developing a Universal Turing Machine using qubits; a machine that can perform all the computations of a traditional processor but at speeds exponentially faster.  Before the research discussed in this article at Nanotechweb, Google had focused on adiabatic solution which is essentially a quantum computer purpose built to solve a particular problem, not a machine capable of performing any data manipulation problem presented.  They have switched tactics have digitized their adiabatic quantum computer to allow for error correction and to allow for non-stoquastic interactions.  This should, in theory, allow for scalability thanks to the unique direction the research is taking.  The reading is rather heavy, especially if you follow the link to Nature but very interesting if you are curious about new methods of developing quantum computers.

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"Bringing together the best of two types of quantum computer for the first time, researchers at Google have created a prototype that combines the architecture of both a universal quantum computer and an analogue quantum computer."

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Source: Nanotechweb

Quantum computing goes through an atomic transition

Subject: General Tech | November 15, 2013 - 06:13 PM |
Tagged: qubit, quantum computing

Researchers at the Canadian Simon Fraser University have made major progress in creating stable qubits, managing to store information for over half an hour which is a huge jump from the previous record which was measured in seconds.  That length of time also allowed them to bring the temperature of the qubit from near absolute zero to 25C which makes the usage of qubits much more feasible.  The data retention still needs to be improved as only a third of the nuclei actually succeeded in holding data, connectivity is also something which needs to be developed but now that the lifespan of qubits has been increased this work can be done. Dig deeper into the details of this development at The Register and have fun watching TV news casters who have no grasp of bits, let alone superposition, attempt to explain this research

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"Researchers have managed to store information in a qubit – a quantum computer's binary bit – and maintain it in a superposition state, where ones and zeros exist simultaneously, for 39 minutes, beating the previous record of just a few seconds"

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Source: The Register