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Tag Archives: quantum computers

Cooling for quantum electronics

Alexander Regnat, Prof. Christian Pfleiderer, Jan Spallek and Tomek Schulz with their cooling system for extremely low temperatures. Image: W. Schürmann / TUM Cooling for quantum electronics TUM spin-off develops magnetic cooling system for extremely low temperatures The start-up kiutra ...

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Learning to speak quantum

Artwork by Sandbox Studio, Chicago with Ana Kova   Learning to speak quantum By Laura Dattaro Particle physicists are studying ways to harness the power of the quantum realm to further their research. In a 1981 lecture, the famed physicist ...

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Hacking the unhackable

Jonathan Jogenfors and Niklas Johansson Photo credit: Thor Balkhed   Hacking the unhackable Monica Westman Svenselius Jonathan Jogenfors’ doctoral thesis discusses security in what many people consider to be the most secure system of all – quantum cryptography. And it ...

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Quantum computers demand new encryption

  Quantum computers demand new encryption Data which is confidential today will no longer be secure when quantum computers arrive. However, researchers have a solution ready in advance—quantum cryptography. Banks, intelligence agencies, hospitals, and industrial companies transmit lots of sensitive ...

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Designing Computer Software of the Future

Illustration of a quantum computer chip. Credit: iStock   Designing Computer Software of the Future Fernando Brandão is developing quantum algorithms for optimization problems Quantum computers of the future hold promise for solving complex problems more quickly than ordinary computers. ...

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Toward mass-producible quantum computers

A team of researchers from MIT, Harvard University, and Sandia National Laboratories reports a new technique for creating targeted defects in diamond materials, which is simpler and more precise than its predecessors and could benefit diamond-based quantum computing devices. Click ...

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Entanglement bonanza

In this illustration, each colored line represents a different state of a “spin chain,” which can be thought of as the magnetic orientations, or spins, of a string of quantum particles. Where the line rises, the spin is up; where ...

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Toward practical quantum computers

Researchers from MIT and MIT Lincoln Laboratory report an important step toward practical quantum computers, with a paper describing a prototype chip that can trap ions in an electric field and, with built-in optics, direct laser light toward each of ...

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New Strategy Helps Quantum Bits Stay on Task

New Strategy Helps Quantum Bits Stay on Task photo : Florida State University New Strategy Helps Quantum Bits Stay on Task Findings Published Today in Nature May Advance the Era of Quantum Computers Scientists at Florida State University’s National High ...

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Cryptography in the era of quantum computers

Cryptography in the era of quantum computers Researchers worldwide are striving to develop the quantum computer. Its computation power would surpass that of today’s machines to a considerable degree for certain tasks – accordingly, it would be able to crack ...

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From pencil marks to quantum computers

From pencil marks to quantum computers One of the hottest materials in condensed matter research today is graphene. Graphene had an unlikely start : it began with researchers messing around with pencil marks on paper. Pencil “lead” is actually made ...

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