The Landau-level laser is an exciting concept for an unusual radiation source. It could efficiently generate so-called terahertz waves, which can be used to penetrate materials, with possible applications in data transmission. ...
Optics & Photonics
Aug 19, 2019
0
812
Everything radiates. Whether it's a car door, a pair of shoes or the cover of a book, anything hotter than absolute zero (i.e., pretty much everything) is constantly shedding radiation in the form of photons, the quantum ...
General Physics
Aug 5, 2019
4
865
Physicists from Nanyang Technological University, Singapore (NTU Singapore) and the Niels Bohr Institute in Copenhagen, Denmark, have devised a method to turn a non-magnetic metal into a magnet using laser light.
General Physics
Jul 29, 2019
1
171
An international team of researchers has succeeded in measuring the current system responsible for Jupiter's aurora. Using data transmitted to Earth by NASA's Juno spacecraft, they showed that the direct currents were much ...
Space Exploration
Jul 11, 2019
268
347
Phase transitions occur when a substance changes from a solid, liquid or gaseous state to a different state—like ice melting or vapor condensing. During these phase transitions, there is a point at which the system can ...
Superconductivity
Jun 28, 2019
0
2
Magnetic disturbances caused by phenomena like the northern lights can be tracked by a 'social network' of ground-based instruments, according to a new study from the University of Warwick.
Earth Sciences
Jun 21, 2019
0
1
Scientists seeking to understand the mechanism underlying superconductivity in "stripe-ordered" cuprates—copper-oxide materials with alternating areas of electric charge and magnetism—discovered an unusual metallic state ...
Superconductivity
Jun 14, 2019
3
511
Owners of thoroughbred stallions carefully breed prizewinning horses over generations to eke out fractions of a second in million-dollar races. Materials scientists have taken a page from that playbook, turning to the power ...
Superconductivity
May 24, 2019
0
240
Magnetic skyrmions are tiny entities, manifesting in magnetic materials that consist of localized twists in the magnetization direction of the medium. Each skyrmion is highly stable because eliminating it requires untwisting ...
General Physics
May 6, 2019
0
49
An international research team headed by Evgeniy Talantsev, a senior research fellow at the Research and Educational Center of Ural Federal University, has approached the task of increasing the reliability of such complex ...
General Physics
Mar 13, 2019
0
82
