News tagged with physical review letters
Related topics: electrons , atoms , quantum mechanics , quantum computing , magnetic field
Gravity Probe B confirms two Einstein theories
(PhysOrg.com) -- Stanford and NASA researchers have confirmed two predictions of Albert Einstein's general theory of relativity, concluding one of the space agency's longest-running projects.
May 04, 2011 |
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Study helps explain behavior of latest high-temp superconductors
A Rice University-led team of physicists this week offered up one of the first theoretical explanations of how two dissimilar types of high-temperature superconductors behave in similar ways.
May 03, 2011 |
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New theory shows one-way transmission materials should be possible for sound and light waves
(PhysOrg.com) -- Physicist Stefano Lepri of the Italian National Research Council and his partner Giulio Casati of the University of Insubria, have published a paper in Physical Review Letters, where they demonstrate throug ...
May 03, 2011 |
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Swimming led to flying, physicists say
(PhysOrg.com) -- Like a fish paddles its pectoral fins to swim through water, flying insects use the same physics laws to "paddle" through the air, say Cornell physicists.
May 03, 2011 |
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Proposed gamma-ray laser could emit 'nuclear light'
(PhysOrg.com) -- Building a nuclear gamma-ray laser has been a challenge for scientists for a long time, but a new proposal for such a device has overcome some of the most difficult problems. In the new study, Eugene Tkalya ...
May 02, 2011 |
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Researchers take a step toward valleytronics
Valley-based electronics, also known as valleytronics, is one step closer to reality. Two researchers at the Naval Research Laboratory (NRL) have shown that the valley degree of freedom in graphene can be ...
Apr 27, 2011 |
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New carbon allotrope could have a variety of applications
(PhysOrg.com) -- Carbon comes in many different forms, and now scientists have predicted another new form, or allotrope, of carbon. The new form of carbon, which they call T-carbon, has very intriguing physical ...
Apr 22, 2011 |
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Primordial weirdness: Did the early universe have 1 dimension?
(PhysOrg.com) -- Did the early universe have just one spatial dimension? That's the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and colleagues proposed in 2010.
Apr 20, 2011 |
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Researchers advance toward hybrid spintronic computer chips
Researchers here have created the first electronic circuit to merge traditional inorganic semiconductors with organic "spintronics" – devices that utilize the spin of electrons to read, write and manipulate data.
Apr 13, 2011 |
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Scientists view a quantum jump in real time
(PhysOrg.com) -- For more than two decades, scientists have been "watching" electrons in atoms make the jump between energy levels in real time. "Atoms have energy levels, and when electrons 'jump' from one level to another, ...
Apr 11, 2011 |
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Under pressure: Germanium
(PhysOrg.com) -- Although its name may make many people think of flowers, the element germanium is part of a frequently studied group of elements, called IVa, which could have applications for next-generation ...
Apr 06, 2011 |
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Expanding the degrees of surface freezing
(PhysOrg.com) -- As part of the quest to form perfectly smooth single-molecule layers of materials for advanced energy, electronic, and medical devices, researchers at the U.S. Department of Energy's Brookhaven ...
Mar 31, 2011 |
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Major advance in understanding how nanowires form
New insights into why and how nanowires take the form they do will have profound implications for the development of future electronic components. PhD student Peter Krogstrup from the Nano-Science Center at ...
Mar 25, 2011 |
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Is space like a chessboard?
(PhysOrg.com) -- Physicists at UCLA set out to design a better transistor and ended up discovering a new way to think about the structure of space.
Mar 18, 2011 |
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Physicists investigate lower dimensions of the universe
(PhysOrg.com) -- Several speculative theories in physics involve extra dimensions beyond our well-known four (which are broken down into three dimensions of space and one of time). Some theories have suggested 5, 10, 26, ...
Mar 18, 2011 |
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