Researchers have developed an ultrafast light-emitting device that can flip on and off 90 billion times a second and could form the basis of optical computing.
Nanophysics
Jul 27, 2015
3
2332
A new study discovers how the sudden excitation of lattice vibrations in a crystal can trigger a change of the magnetic properties of an atomically-thin layer that lies on its surface.
Condensed Matter
Jul 6, 2015
0
103
Even though lightning is a common phenomenon, the exact mechanism triggering a lightning discharge remains elusive. Scientists at the Dutch national research institute for mathematics CWI, the University of Groningen and ...
General Physics
Jul 1, 2015
4
103
Physicists at LMU Munich and the Max Planck Institute of Quantum Optics have validated a novel laser-driven means of generating bright and highly energetic X-ray beams. The method opens up new ways of imaging the fine structure ...
General Physics
Jun 16, 2015
1
721
Whether in the pages of H.G. Wells, the serial adventures of Flash Gordon, or that epic science fiction saga that is Star Wars, the appearance of laser beams—or rays or phasers or blasters—ultimately meant the imminent ...
General Physics
Jun 16, 2015
0
1078
Researchers have observed, in metals for the first time, transient excitons – the primary response of free electrons to light. Here, the researchers discovered that the surface electrons of silver crystals can maintain ...
General Physics
Jun 1, 2015
4
18
In a new method for preparing electrically conductive textiles, the textile surface is modified with a negatively charged polyelectrolyte poly(methacrylic acid sodium salt) (PMANa) or poly(acrylic acid sodium salt) (PAANa) ...
Materials Science
May 19, 2015
0
19
The recombination of electron shells in molecules, taking just a few dozen attoseconds (a billionth of a billionth of a second), can now be viewed "live," thanks to a new method developed by MIPT researchers and their colleagues ...
General Physics
May 14, 2015
4
182
Traditionally, particle accelerators have relied on electric fields generated by radio waves to drive electrons and other particles close to the speed of light. But in radio-frequency machines there is an upper limit on the ...
General Physics
Apr 22, 2015
83
83
A cooperation between theoretical and experimental physicists has uncovered previously unknown quantum states inside atoms. The results, described in a paper published today in the journal Nature Communications, allow a better ...
Quantum Physics
Apr 9, 2015
1
256
