Throughout decades of research on solar cells, one formula has been considered an absolute limit to the efficiency of such devices in converting sunlight into electricity: Called the Shockley-Queisser efficiency limit, it ...
Energy & Green Tech
Apr 18, 2013
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(Phys.org) —Many systems envisioned for practical quantum information processing require the use of single, indistinguishable photons as carriers of information and logic operators. So researchers in the field need to be ...
Quantum Physics
Apr 9, 2013
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(Phys.org) —Experts in nuclear physics at the University of Surrey have helped develop research towards a 'nuclear battery', which could revolutionize the concept of portable power by packing in up to a million times more ...
General Physics
Mar 21, 2013
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Life as we know it is based upon the elements of carbon and oxygen. Now a team of physicists, including one from North Carolina State University, is looking at the conditions necessary to the formation of those two elements ...
General Physics
Mar 13, 2013
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A multi-university research team has used a new spectroscopic method to gain a key insight into how light is emitted from layered nanomaterials and other thin films.
Nanomaterials
Mar 5, 2013
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(Phys.org)—An international team of scientists has taken the next step in creating nanoscale machines by designing a multi-component molecular motor that can be moved clockwise and counterclockwise.
Nanophysics
Jan 10, 2013
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In 2011, CMS presented early evidence that Upsilon (Υ) particles produced in lead-lead collisions "melt" as a consequence of interacting with the hot nuclear matter created in these heavy-ion interactions. CMS has since ...
General Physics
Dec 20, 2012
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(Phys.org)—Unraveling the complexities of spin-orbital coupling could someday lead to new high-temperature superconductors and workable quantum computers via an elusive phase of matter called a "quantum spin liquid." Two ...
Condensed Matter
Dec 13, 2012
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(Phys.org)—Neutron scientists at the ILL have partnered with researchers from the University of Manchester, the University of Parma, the Rutherford Laboratory and the University of Bern to investigate molecular nanomagnets, ...
General Physics
Dec 4, 2012
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Electrons move extremely rapidly inside atoms and molecules (the order of magnitude is the attosecond, i.e. 10-18 of a second). One way to observe these phenomena is to use isolated ultrashort pulses of light, which are successfully ...
Optics & Photonics
Nov 30, 2012
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