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Nature 450, 800-801 (6 December 2007) | doi:10.1038/450800a; Published online 5 December 2007
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Condensed-matter physics: Shear madness
Alan T. Dorsey1 & David A. Huse2
Abstract
Cooled to temperatures just above absolute zero, solid helium starts to behave very oddly. But its 'supersolid' behaviour might just be the result of imperfections that change the bulk properties of the crystal.
In 2004, Eun-Seong Kim and Moses Chan placed a sample of solid helium, 4He, in a torsional oscillator at a temperature of about 0.1 kelvin, and allowed it to twist a little.
- Alan T. Dorsey is in the Department of Physics, University of Florida, Gainesville, Florida 32611-8440, USA.
Email: dorsey@phys.ufl.edu - David A. Huse is in the Department of Physics, Princeton University, Princeton, New Jersey 08544, USA.
Email: huse@princeton.edu
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