News tagged with physical review letters

X-ray laser pulses in two colors

(Phys.org) —SLAC researchers have demonstrated for the first time how to produce pairs of X-ray laser pulses in slightly different wavelengths, or colors, with finely adjustable intervals between them – ...

Mar 27, 2013 5 / 5 (3) 0 | with audio podcast

Crystals for efficient refrigeration

(Phys.org)—Researchers at the Carnegie Institution have discovered a new efficient way to pump heat using crystals. The crystals can pump or extract heat, even on the nanoscale, so they could be used on ...

Nov 05, 2012 3.4 / 5 (9) 0 | with audio podcast

The ferromagnetic Kondo effect

A group of physicists that includes scientists of the International School for Advanced Studies (SISSA) of Trieste have shown how to obtain a particular case of a physical effect – so far never observed ...

Jul 24, 2013 5 / 5 (12) 3 | with audio podcast