Physical Review Letters

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 (74) 109 | with audio podcast

Atoms with quantum memory

Order tends towards disorder. This is also true for quantum states. Measurements at the Vienna University of Technology show that in quantum mechanics this transition can be quite different from what we experience ...

Feb 28, 2013 4.9 / 5 (64) 5 | with audio podcast

'Accelerator on a chip' demonstrated

In an advance that could dramatically shrink particle accelerators for science and medicine, researchers used a laser to accelerate electrons at a rate 10 times higher than conventional technology in a nanostructured ...

Sep 27, 2013 4.7 / 5 (61) 10 | with audio podcast

Quantum particles find safety in numbers

Ludwig Maximilian University of Munich researchers have uncovered a novel effect that, in principle, offers a means of stabilizing quantum systems against decoherence. The discovery could represent a major step forward for ...

Oct 16, 2013 4.9 / 5 (53) 4 | with audio podcast