For the first time, scientists have entangled four photons in their orbital angular momentum. Leiden physicists sent a laser through a crystal, thereby creating four photons with coupled 'rotation'. So far this has only been ...
Quantum Physics
Feb 3, 2016
5
1310
"Spintronics" is a new class of electronics where charge and spin are utilized. A pure spin current, flow of spin without charge current, is one of the important physical quantities in its field, which could play an essential ...
General Physics
Dec 16, 2015
0
11
Researchers at Chalmers University of Technology have for the first time reported the electrical detection of spin current on topological insulator surfaces at room temperature by employing a ferromagnetic detector. The findings ...
Nanophysics
Dec 7, 2015
0
1735
Rare earth elements are used in computer hard drives, electric motors and to generate and amplify the lasers at Lawrence Livermore's National Ignition Facility (NIF). Future applications may include serving as memory for ...
Materials Science
Oct 15, 2015
0
41
An international group of physicists has traced the origin of an electromagnetic interaction to the Dirac equation, a fundamental equation of quantum physics.
Quantum Physics
Oct 12, 2015
13
3417
It's easy to contemplate the wave nature of light in common experience. White light passing through a prism spreads out into constituent colors; it diffracts from atmospheric moisture into a rainbow; light passing across ...
General Physics
Sep 23, 2015
5
2167
An experiment at Tohoku University (Japan) in 2008 laid the foundations for research on 'spin caloritronics' – a field that aims to develop more effective and energy-saving data processing in information technology. Since ...
General Physics
Sep 23, 2015
0
755
Scientists at the Swiss Nanoscience Institute at the University of Basel have used resonators made from single-crystalline diamonds to develop a novel device in which a quantum system is integrated into a mechanical oscillating ...
Quantum Physics
Aug 3, 2015
1
2070
A University of Tokyo research group has successfully measured the spin Hall effect in a superconductor for the first time. The spin Hall effect is responsible for the conversion of magnetic flow to current flow and has not ...
Superconductivity
Jun 23, 2015
1
29
For the last decade, astronomers have observed curious "hotspots" on Saturn's poles. In 2008, NASA's Cassini spacecraft beamed back close-up images of these hotspots, revealing them to be immense cyclones, each as wide as ...
Space Exploration
Jun 15, 2015
19
1063
