News tagged with quantum particles

Flowing along in four dimensions

In 1988, John Cardy asked if there was a c-theorem in four dimensions. At the time, he reasonably expected his work on theories of quantum particles and fields to be professionally put to the test… But ...

Nov 15, 2011 4.9 / 5 (9) 3 | with audio podcast

Not 1, not 2, not 3, but 4 clones!

Xi-Jun Ren and Yang Xiang from Henan Universities in China, in collaboration with Heng Fan at the Institute of Physics of the Chinese Academy of Sciences, have produced a theory for a quantum cloning machine able to produce ...

Nov 04, 2011 5 / 5 (2) 2 | with audio podcast