| Topic: |
Science > Physics |
| User: |
"Sam Wormley" |
| Date: |
03 May 2007 10:52:07 PM |
| Object: |
Supersolids reliant on disorder, say physicists |
Supersolids reliant on disorder, say physicists (May 1)
http://physicsweb.org/article/news/11/5/3
Physicists in the US have shown that a supposed quantum phase of matter
known as a "supersolid" is strongly dependent on the amount of crystal
disorder present in the sample being studied. By performing experiments
on samples of helium-4 with large amounts of disorder, they found that
the trademark effects of supersolidity in the samples rose to more than
20% -- by far the largest proportion seen so far. This strongly
reinforces suspicions that the original theory of supersolids is not the
whole story (Phys. Rev. Lett. 98 175302).
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