News tagged with quantum physics

Quantum steps towards the Big Bang

(Phys.org) —Present-day physics cannot describe what happened in the Big Bang. Quantum theory and the theory of relativity fail in this almost infinitely dense and hot primal state of the universe. Only ...

Sep 03, 2013
4.4 / 5 (75) 109 | with audio podcast

An infallible quantum measurement

Entanglement is a key resource for upcoming quantum computers and simulators. Now, physicists in Innsbruck and Geneva realized a new, reliable method to verify entanglement in the laboratory using a minimal ...

Aug 05, 2013
4.8 / 5 (33) 4 | with audio podcast

Researchers stop and store light for 60 seconds

A team of researchers at Germany's University of Darmstadt has succeeded in causing light to stop and then to be held in place for 60 seconds. In their paper published in the journal Physical Review Letters, the researchers descri ...

Jul 26, 2013 report
4.7 / 5 (59) 11 | with audio podcast

New scheme for quantum computing

(Phys.org) —Tom Wong, a graduate student in physics and David Meyer, professor of mathematics at the University of California, San Diego, have proposed a new algorithm for quantum computing, that will speed ...

Jun 25, 2013
4.9 / 5 (21) 3 | with audio podcast

A quantum simulator for magnetic materials

Physicists understand perfectly well why a fridge magnet sticks to certain metallic surfaces. But there are more exotic forms of magnetism whose properties remain unclear, despite decades of intense research. ...

May 23, 2013
4.5 / 5 (8) 1 | with audio podcast