News tagged with quantum systems

Exotic symmetry seen in ultracold electrons

(PhysOrg.com) -- An exotic type of symmetry - suggested by string theory and theories of high-energy particle physics, and also conjectured for electrons in solids under certain conditions - has been observed ...

Jan 18, 2010
4.8 / 5 (30) 4 | 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

Fighting tomorrow's hackers

One of the themes of Dan Brown's The Da Vinci Code is the need to keep vital and sensitive information secure. Today, we take it for granted that most of our information is safe because it's encrypted. Every time we use a ...

Feb 05, 2009
4.3 / 5 (3) 0