News tagged with free atoms
New structure could produce efficient semiconductor laser sources
Dec 14, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...
Bouncing atoms may be the key to the future of gravimetry
Apr 27, 2009 |
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(PhysOrg.com) -- When studying cold atoms, scientists often use magnetic or optical traps to keep the atoms in place. However, in some cases experimentalists want to study free atoms, avoiding the effects of a trap. "One ...
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Synthesis with a template: Carbon-free fullerene analogue
Apr 30, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- A team led by Manfred Scheer at the University of Regensburg has now synthesized the first example of an inorganic, carbon-free C80 analogue.
Super cool atom thermometer
Dec 07, 2009 |
5 / 5 (2) |
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As physicists strive to cool atoms down to ever more frigid temperatures, they face the daunting task of developing new, reliable ways of measuring these extreme lows. Now a team of physicists has devised ...
Does weak equivalence break down at the quantum level?
Dec 08, 2009 |
4.5 / 5 (26) |
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(PhysOrg.com) -- One of the givens in physics is the weak equivalence principle. This principle has been considered solid since Einstein proposed that it is not possible to detect the difference between uniform acceleration ...
Held together by metal-metal bonds: a large ring containing 36 gold atoms
Nanotechnology / Nanomaterials
May 14, 2008 |
4.1 / 5 (20) |
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Chinese researchers have recently made a “golden crown” with a diameter of only a few nanometers. It is a large ring-shaped molecule containing 36 gold atoms. The lords of the ring, a team of researchers from ...
Researchers create 'synthetic magnetic fields' for neutral atoms
Dec 02, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Achieving an important new capability in ultracold atomic gases, researchers at the Joint Quantum Institute, a collaboration of the National Institute of Standards and Technology and the University ...
Scientists discover how nanocluster contaminants increase risk of spreading
Nanotechnology / Bio & Medicine
Apr 17, 2008 |
4 / 5 (1) |
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For almost half a century, scientists have struggled with plutonium contamination spreading further in groundwater than expected, increasing the risk of sickness in humans and animals.
Innovative research brings quantum computers one step closer
Aug 06, 2008 |
4.4 / 5 (12) |
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(PhysOrg.com) -- Complex computer encryption codes could be solved and new drug design developed significantly faster thanks to new research carried out by the University of Surrey.
New solar energy material captures every color of the rainbow
Oct 16, 2008 |
4.7 / 5 (67) |
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Researchers have created a new material that overcomes two of the major obstacles to solar power: it absorbs all the energy contained in sunlight, and generates electrons in a way that makes them easier to capture.
Stunt doubles: Ultracold atoms could replicate the electron 'jitterbug'
Mar 10, 2008 |
4.6 / 5 (16) |
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Ultracold atoms moving through a carefully designed arrangement of laser beams will jiggle slightly as they go, two NIST scientists have predicted. If observed, this never-before-seen “jitterbug” motion would ...
Simply Weird Stuff: Making Supersolids with Ultracold Gas Atoms
Jan 13, 2009 |
4.8 / 5 (10) |
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Physicists at the Joint Quantum Institute (JQI) of the National Institute of Standards and Technology and the University of Maryland have proposed a recipe for turning ultracold “boson” atoms—the ingredients ...
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