News tagged with quantum systems

Could silicon be ideal in quantum computing?

(PhysOrg.com) -- "Quantum computing could provide a way to significantly speed up the way we process certain algorithms," Malcolm Carroll tells PhysOrg.com. "The primary issue, though, is that you need a well controlled two-le ...

Sep 16, 2011 feature
5 / 5 (9) 1 | with audio podcast

Quantum eavesdropper steals quantum keys

(PhysOrg.com) -- In quantum cryptography, scientists use quantum mechanical effects to encrypt and then communicate confidential information. Although quantum cryptography codes are unbreakable in principle, even the best ...

Jun 20, 2011 report
4.6 / 5 (11) 10 | with audio podcast

Working out a timescale for quantum operations

One of the issues affecting quantum systems is coherence. Understanding coherence and how it breaks down (decoherence) is one of the keys to putting together a powerful quantum computer. And, because wires made from metal ...

Jun 17, 2009 feature
4.7 / 5 (9) 0