Supersolidity loses its luster

Supersolidity loses its luster

Bizarre quantum state may not exist after all

By Alexandra Witze, 15:06 PM October 11, 2012

One of the most exciting physics discoveries in recent years may not be a discovery after all. Reports of “supersolidity,” in which solid helium flows through itself without friction, may turn out be something far more ordinary: the everyday stiffening of a material.

This new conclusion comes from the same scientist who in 2004 first reported evidence for supersolidity. Now, in a paper published October 8 in Physical Review Letters, Moses Chan of Penn State says he has repeated that origina...

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