The strange quantum phenomenon known as supersolidity
- From: Sam Wormley <swormley1@xxxxxxxxx>
- Date: Tue, 17 Jul 2007 12:14:02 GMT
PHYSICAL REVIEW FOCUS 16 July 2007 http://focus.aps.org/
David Ehrenstein, American Physical Society
Introductions to the Focus stories of the past week;
visit http://focus.aps.org for the complete stories.
SUPERSOLID, WITH A TWIST
The strange quantum phenomenon known as supersolidity
occurs when atoms flow without friction through a solid block
of helium, possibly along a network of defects extending through
an otherwise perfect crystal. In an upcoming issue of Physical
Review Letters, physicists find such a flow in computer simulations
even when the atoms that make up the defects form a regular
pattern, unlike the disorderly arrangement used in previous
calculations. The results open a new way of understanding this
extraordinary state of matter, which has properties of both solids
and liquids.
(M Boninsegni et al., Phys. Rev. Lett. to be published)
COMPLETE Focus story at http://focus.aps.org/story/v20/st3
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Copyright 2007, The American Physical Society.
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