Defects and supersolidity: effects of annealing and stress on elastic behavior of solid ⁴He

• Published in: Физика низких температур
• Date: 2008
• Main Authors: Syshchenko, A., Day, J., Beamish, J.
• Format: Article
• Language: English
• Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2008
• Subjects: Твердый гелий
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/116908
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Defects and supersolidity: effects of annealing and stress
 on elastic behavior of solid ⁴He / A. Syshchenko, J. Day, J. Beamish // Физика низких температур. — 2008. — Т. 34, № 4-5. — С. 427–430. — Бібліогр.: 31 назв. — англ.

Recent measurements showed that solid ⁴He can decouple from a torsional oscillator below 200 mK and
 defects appear to be crucial to this behavior. Helium’s shear modulus increases in the same range, which can
 be understood in terms of dislocations pinned by ³He impurities at the lo...