News tagged with quantum systems

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 4.6 / 5 (11) 10 | with audio podcast report

Measuring quantum dimensions

(Phys.org) -- A new study from the ICFO (Institute of Photonic Sciences) in Barcelona and the University of Bristol has demonstrated how the dimension of an unknown quantum system can be assessed from measurement data alone. ...

Jun 18, 2012 4.6 / 5 (11) 0 | with audio podcast

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 5 / 5 (9) 1 | with audio podcast feature