News tagged with quasiparticle
Scientists detect unusual 'quasiparticles' in tri-layer graphene
(PhysOrg.com) -- By studying three layers of graphene -- sheets of honeycomb-arrayed carbon atoms -- stacked in a particular way, scientists at the U.S. Department of Energys Brookhaven National Laboratory ...
Oct 19, 2011 |
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Highlight: Capturing quasiparticles
(PhysOrg.com) -- A physics research team from the University of St Andrews and Cornell University in the USA has managed to 'photograph' the traces left by orbiting electrons in a special oxide material, and their observations ...
Oct 23, 2009 |
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Ultrafast laser helps to better understand high-temperature superconductors
Superconductivity, in which electric current flows without resistance, promises huge energy savings from low-voltage electric grids with no transmission losses, superefficient motors and generators, ...
May 31, 2012 |
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Repulsive polaron: Austrian physicists realize elusive quasiparticles
(Phys.org) -- In quantum physics physical processes in condensed matter and other many-body systems can often be described with quasiparticles. In Innsbruck, for the first time Rudolf Grimms team of ...
May 23, 2012 |
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Atomic-scale visualization of electron pairing in iron superconductors
(Phys.org) -- By measuring how strongly electrons are bound together to form Cooper pairs in an iron-based superconductor, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, ...
May 03, 2012 |
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Physicists show standard 'quasiparticle' theory breaks down at 'quantum critical point'
A new study this week finds that "quantum critical points" in exotic electronic materials can act much like polarizing "hot button issues" in an election. Reporting in Nature, researchers from Rice Univer ...
Apr 25, 2012 |
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Researchers observe speed of propagation in non-relativistic lattice
(PhysOrg.com) -- A team of researchers have devised a means for observing the speed with which quasiparticles can travel through an optical lattice. The experiment performed at the Max-Planck-Institut für ...
Electron's negativity cut in half by supercomputer
(PhysOrg.com) -- While physicists at the Large Hadron Collider smash together thousands of protons and other particles to see what matter is made of, they're never going to hurl electrons at each other. No ...
Jan 12, 2012 |
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New hybrid technology could bring 'quantum information systems'
(PhysOrg.com) -- The merging of two technologies under development - plasmonics and nanophotonics - is promising the emergence of new "quantum information systems" far more powerful than today's computers.
Oct 27, 2011 |
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Bilayer graphene is another step toward graphene electronics
The Nobel Prize winning scientists Professor Andre Geim and Professor Kostya Novoselov have taken a huge step forward in studying the wonder material graphene and revealing its exciting electronic properties ...
Nanotechnology / Nanomaterials
Aug 11, 2011 |
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Graphene gives up more of its secrets
Graphene, a sheet of carbon only a single atom thick, was an object of theoretical speculation long before it was actually made. Theory predicts extraordinary properties for graphene, but testing the predictions ...
Nanotechnology / Nanomaterials
Jul 15, 2011 |
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Lighten up: Polaritons with tunable photon-exciton coherence
(PhysOrg.com) -- Of the many exotic and counterintuitive aspects of particle and quantum physics, exciton and polariton quasiparticles are among the most interesting. An exciton forms when a photon is absorbed ...
List of search results for quasiparticle