News tagged with quantum information

New paths into the world of quasiparticles

Quasiparticles can be used to explain physical phenomena in solid bodies even though they are not actual physical particles. Physicists in Innsbruck have now realized quasiparticles in a quantum system and ...

dateJul 09, 2014 in Quantum Physics
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Quantum cryptography for mobile phones

Secure mobile communications underpin our society and through mobile phones, tablets and laptops we have become online consumers. The security of mobile transactions is obscure to most people but is absolutely essential if ...

dateApr 03, 2014 in Quantum Physics
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Quantum copies do new tricks

One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...

dateMar 22, 2012 in Quantum Physics
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New record in quantum communications

(Phys.org)—Researchers from The Australian National University have taken a quantum leap towards developing the next-generation super-fast networks needed to drive future computing.

dateAug 30, 2012 in Quantum Physics
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Quantum engines must break down

Our present understanding of thermodynamics is fundamentally incorrect if applied to small systems and needs to be modified, according to new research from University College London (UCL) and the University of Gdańsk. The ...

dateJun 26, 2013 in Quantum Physics
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