News tagged with quantum
Related topics: quantum computing , physicists
Speed limit on the quantum highway
(PhysOrg.com) -- Physicists at the Max Planck Institute of Quantum Optics have measured the propagation velocity of quantum signals in a many-body system.
Jan 26, 2012 |
4.9 / 5 (15) |
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JQI cool nano loudspeakers could makes for better MRIs, quantum computers
(PhysOrg.com) -- A team of physicists from the Joint Quantum Institute (JQI), the Neils Bohr Institute in Copenhagen, Denmark, and Harvard University has developed a theory describing how to both detect weak ...
Jan 25, 2012 |
4.8 / 5 (4) |
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Study supports role of quantum effects in photosynthesis
(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...
Jan 25, 2012 |
4.9 / 5 (13) |
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Rice lab mimics Jupiter's Trojan asteroids inside a single atom
Rice University physicists have gone to extremes to prove that Isaac Newton's classical laws of motion can apply in the atomic world: They've built an accurate model of part of the solar system inside a single ...
Jan 24, 2012 |
4.5 / 5 (13) |
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A new class of electron interactions in quantum systems
Physicists at the University of New South Wales have observed a new kind of interaction that can arise between electrons in a single-atom silicon transistor.
Jan 23, 2012 |
4.7 / 5 (15) |
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Researchers boost solar concentrator efficiency
A team of researchers at the University of California, Merced, has redesigned luminescent solar concentrators to be more efficient at sending sunlight to solar cells.
Jan 23, 2012 |
4.4 / 5 (7) |
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Physicists cool semiconductor by laser light
Researchers at the Niels Bohr Institute have combined two worlds – quantum physics and nano physics, and this has led to the discovery of a new method for laser cooling semiconductor membranes. Semiconductors ...
Jan 22, 2012 |
4.5 / 5 (11) |
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In solar cells, tweaking the tiniest of parts yields big jump in efficiency
(PhysOrg.com) -- By tweaking the smallest of parts, a trio of University at Buffalo engineers is hoping to dramatically increase the amount of sunlight that solar cells convert into electricity.
Jan 20, 2012 |
4.6 / 5 (11) |
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Biocompatible quantum dot images tumors in live animals
Quantum dots, small semiconductor nanoparticles that fluoresce brightly with sharply defined colors, have tremendous promise as biomedical imaging agents except for one problem—most are made from potentially hazardous ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
4 / 5 (4) |
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Quantum mechanics enables perfectly secure cloud computing
Researchers have succeeded in combining the power of quantum computing with the security of quantum cryptography and have shown that perfectly secure cloud computing can be achieved using the principles of ...
Jan 19, 2012 |
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High-power, 532 nm-wavelength compact green laser module with high efficiency, high-speed modulation capability
QD Laser, Inc., the Institute for Nano Quantum Information Electronics, the University of Tokyo, and Fujitsu Laboratories Limited today announced the successful development of a high-power 532 nm-wavelength ...
Jan 19, 2012 |
5 / 5 (2) |
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The perfect liquid -- now even more perfect
Ultra hot quark-gluon-plasma, generated by heavy-ion collisions in particle accelerators, is supposed to be the "most perfect fluid" in the world. Previous theories imposed a limit on how "liquid" fluids can ...
Jan 17, 2012 |
4.9 / 5 (10) |
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Are you certain, Mr. Heisenberg? New measurements deepen understanding of quantum uncertainty
Heisenberg's Uncertainty principle is arguably one of the most famous foundations of quantum physics. It says that not all properties of a quantum particle can be measured with unlimited accuracy. Until now, this has often ...
Jan 17, 2012 |
3.9 / 5 (10) |
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Graphene quantum dots: The next big small thing
A Rice University laboratory has found a way to turn common carbon fiber into graphene quantum dots, tiny specks of matter with properties expected to prove useful in electronic, optical and biomedical applications.
Jan 12, 2012 |
5 / 5 (7) |
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Researchers conduct experimental implementation of quantum algorithm
(PhysOrg.com) -- Researchers at D-Wave Systems have carried out a calculation involving 84 qubits on an experimental quantum computer, giving some credence to the plausibility of true quantum computers being ...
Jan 12, 2012 |
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