News tagged with atomic transitions
Engineers ride 'rogue' laser waves to build better light sources
Mar 05, 2009 |
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A freak wave at sea is a terrifying sight. Seven stories tall, wildly unpredictable, and incredibly destructive, such waves have been known to emerge from calm waters and swallow ships whole. But rogue waves ...
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Atomic fountain clocks are becoming still more stable
Mar 18, 2009 |
4 / 5 (1) |
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They are at present the most accurate clocks in the world: Caesium fountain clocks furnish the second accurate to 15 places after the decimal point. Until they reach this accuracy, caesium fountain clocks, however, need a ...
New Research Promises Better Atomic Clocks
Apr 22, 2009 |
4.7 / 5 (9) |
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(PhysOrg.com) -- The most accurate timekeepers in the world are atomic clocks, which tell time based on the absorption of a very specific and unchanging microwave frequency, which induces electrons in an atom to “jump” from ...
Compression of metallic glasses sheds light on phase transitions
Oct 12, 2007 |
4.2 / 5 (15) |
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Scientists at the U.S. Department of Energy's Argonne National Laboratory have identified an unusual variation in the compressibility of an unusual class of metals in research that may shed light on the electrodynamics of ...
'Wedding Cake' Images Display Transitions between Exotic Quantum States
Aug 20, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Transitions are exciting. And at temperatures close to absolute zero, studying the transition from one quantum phase to another tantalizes physicists looking for a deeper understanding of ...
Faster than a Speeding Bubble
Apr 30, 2008 |
3.8 / 5 (10) |
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What do melting chocolate and bubbles in a champagne glass have in common? Besides being treats one might sample at a sophisticated soiree, they are both handy examples of first-order phase transitions in ...
Quantum Effects Make the Difference
Mar 01, 2007 |
4.6 / 5 (40) |
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The atomic constituents of matter are never still, even at absolute zero. This consequence of quantum mechanics can result in continuous transition between different material states. Physicists at the Max Planck Institute ...
Danish nanowires have great potential
Nov 02, 2009 |
3 / 5 (1) |
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Danish nanophysicists have developed a new method for manufacturing the cornerstone of nanotechnology research - nanowires. The discovery has great potential for the development of nanoelectronics and highly ...
High-Flying Electrons May Provide New Test of Quantum Theory
Apr 29, 2008 |
4.7 / 5 (41) |
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Researchers at the National Institute of Standards and Technology and Max Planck Institute for Physics in Germany believe they can achieve a significant increase in the accuracy of one of the fundamental constants ...
Quantum mechanics predicts unusual lattice dynamics of vanadium metal under high pressure
Oct 11, 2007 |
4.7 / 5 (3) |
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A Swedish research team of Dr. Wei Luo & Professor Rajeev Ahuja and US team of Dr. Y. Ding & Prof. H.K. Mao have used theoretical calculations to understand a totally new type of high-pressure structural phase transition ...
Experimental atomic clock uses ytterbium 'pancakes'
Physics /
Mar 06, 2006 |
4.6 / 5 (20) |
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Scientists at the National Institute of Standards and Technology working with Russian colleagues have significantly improved the design of optical atomic clocks that hold thousands of atoms in a lattice made ...
List of search results for atomic transitions
