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ASACUSA sees surprising behaviour of hybrid matter–antimatter atoms in superfluid helium（图）
ASACUSA 超流体氦 物质-反物质原子 混合
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2023/5/26
A hybrid matter--–antimatter helium atom containing an antiproton, the proton’s antimatter equivalent, in place of an electron has an unexpected response to laser light when immersed in superfluid hel...
Helium sell-off risks future supply（图）
Helium risks magnetic resonance imaging
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2010/1/28
The US must stop selling off its helium reserves so that the country has enough of the gas to meet the needs of researchers and medical programmes. That is the view of a new report, Selling the Nation...
Helium atoms get the ride of their life（图）
Helium atoms Electrical pressure
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2009/11/4
To the adrenaline junkie midway through a bungee jump, gravity must feel like it can accelerate matter at a spectacular rate. At the atomic scale, however, when it comes to shifting around neutral par...
New model describes avalanche behavior of superfluid helium
superfluid helium earthquake dynamics
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2007/4/28
24-Apr-2007，CHAMPAIGN, Ill. By utilizing ideas developed in disparate fields, from earthquake dynamics to random-field magnets, researchers at the University of Illinois have constructed a model that ...
High-quality helium crystals show supersolid behavior
helium crystals supersolid behavior
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2007/3/13
17-Feb-2007，High-quality, single-crystal, ultra-cold solid helium exhibits supersolid behavior, suggesting that this frictionless solid flow is not a consequence of defects and grain boundaries in poo...