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
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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
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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
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In a paper appearing in Nature's Scientific Reports, Dr. Ramesh Mani, professor of physics and astronomy at Georgia State University, reports that, in the presence of a magnetic field, negative resistivity can produce a positive ...
General Physics
Dec 11, 2013
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(Phys.org) —After more than 40 years of intense research, experimental physicists still seek to explore the rich behaviour of electrons confined to a two-dimensional crystalline structure exposed to large magnetic fields. ...
Quantum Physics
Oct 30, 2013
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In a paper appearing in Nature's Scientific Reports, Dr. Ramesh Mani, professor of physics and astronomy at Georgia State University, reports that a giant magnetoresistance effect depends on the physical size of the device ...
Condensed Matter
Oct 15, 2013
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The new discovery could one day lead to electronic materials that provide both computation and data storage.
Condensed Matter
Aug 25, 2013
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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 in reality – whose ...
General Physics
Jul 24, 2013
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How would you look for something that can be in two 'places' at once? The answer, according to Oxford University research into a quantum phenomenon called superposition, seems to be to ask where it isn't rather than where ...
Quantum Physics
Mar 11, 2013
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Almost 100 years after the initial discovery, a team of scientists at the University of Alberta and the National Institute for Nanotechnology in Edmonton have harnessed the Barkhausen Effect as a new kind of high-resolution ...
General Physics
Jan 17, 2013
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