Topology, a branch of mathematics classifying geometric objects, has been exploited by physicists to predict and describe unusual quantum phases: the topological states of matter. These intriguing phases, generally accessible ...
General Physics
Jan 8, 2015
2
87
The Hall effect, discovered in 1879, is observable when a Hall voltage perpendicular to the current is produced across a conductor under a magnetic field. Although the Hall effect was discovered in a sheet of gold leaf by ...
Quantum Physics
Jan 6, 2015
0
60
Researchers from the Norwegian University of Science and Technology (NTNU) and the University of Cambridge in the UK have demonstrated that it is possible to directly generate an electric current in a magnetic material by ...
Nanophysics
Nov 10, 2014
1
0
Naoto Nagaosa and Bohm-Jung Yang from the RIKEN Center for Emergent Matter Science have predicted that thin films of certain iridate compounds could harbor unusual 'topological' electronic properties that are hidden in regular ...
General Physics
Aug 15, 2014
0
0
The dynamic behavior of electrons in magnetic fields is crucial for understanding physical processes, such as the quantum Hall effect, which are important in many areas of solid state physics, including electrical conductivity. ...
Quantum Physics
Aug 8, 2014
2
1
The magnets cluttering the face of your refrigerator may one day be used as cooling agents, according to a new theory formulated by MIT researchers.
General Physics
Jul 28, 2014
0
0
When a superconductor is exposed to a magnetic field, a current on its surface appears which creates a counter field that cancels the magnetic field inside the superconductor. This phenomenon, known as "Meissner-Ochsenfeld ...
Quantum Physics
Jul 9, 2014
0
0
Magnetic cooling is a promising new refrigeration technology boasting several advantages – ranging from lower energy consumption to eliminating the use of hazardous fluids – that combine to make it a much more environmentally ...
General Physics
Jun 10, 2014
5
5
Forget about anti-ageing creams and hair treatments. If you want to stay young, get a fast spaceship. That is what Einstein's Theory of Relativity predicted a century ago, and it is commonly known as "twin paradox".
General Physics
Apr 16, 2014
973
2
Only a few elements in the periodic table are inherently magnetic. Iron is perhaps the best known, but cobalt and nickel also exhibit this type of ferromagnetism. Scientists have recently discovered, however, that gold, silver, ...
General Physics
Jan 31, 2014
0
0
