News tagged with quantum computing

Rogue rubidium leads to atomic anomaly

The behavior of a few rubidium atoms in a cloud of 40,000 hardly seems important. But a handful of the tiny particles with the wrong energy may cause a cascade of effects that could impact future quantum computers.

dateMar 17, 2016 in Quantum Physics
shares72 comments 2

The 'great smoky dragon' of quantum physics

University of Vienna physicists have, for the first time, evaluated the almost 100-year long history of quantum delayed-choice experiments—from the theoretical beginnings with Albert Einstein to the latest research works ...

dateMar 10, 2016 in Quantum Physics
shares110 comments 25

New invention revolutionizes heat transport

Scientists at Aalto University, Finland, have made a breakthrough in physics. They succeeded in transporting heat maximally effectively ten thousand times further than ever before. The discovery may lead to a giant leap in ...

dateFeb 01, 2016 in Quantum Physics
shares367 comments 2

Computing with time travel

Why send a message back in time, but lock it so that no one can ever read the contents? Because it may be the key to solving currently intractable problems. That's the claim of an international collaboration who have just ...

dateDec 09, 2015 in Quantum Physics
shares933 comments 16

A quantum spin on molecular computers

If quantum computers existed, they would revolutionize computing as we know it. Based on fundamental properties of matter, the potential power of these theoretical workhorses would solve problems in a new way, cracking extremely ...

dateDec 02, 2015 in Quantum Physics
shares159 comments 0

Experiment records extreme quantum weirdness

Researchers from the Centre for Quantum Technologies (CQT) at the National University of Singapore and the University of Seville in Spain have reported the most extreme 'entanglement' between pairs of photons ever seen in ...

dateNov 09, 2015 in Quantum Physics
shares226 comments 5

Upgrading the quantum computer

Theoretical physicists have proposed a scalable quantum computer architecture. The new model, developed by Wolfgang Lechner, Philipp Hauke and Peter Zoller, overcomes fundamental limitations of programmability in current ...

dateOct 23, 2015 in Quantum Physics
shares1348 comments 4