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Dislocation Motion in bcc Solid 3He

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Abstract

We have measured the shear modulus of bcc solid 3 He at 827 Hz using the high- Q torsional oscillator technique. We observed a decrease in the shear modulus from the low-temperature value G0 to about 0.4G0 at a molar volume of 24.80 cm 3/mole and to 0.6G0 at 24.32 cm 3/mole near the melting point. The reduction of an effective shear modulus is explained by the dislocation theory of Granato and Lücke.

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Authors and Affiliations

  1. Department of Physics, Nagoya University, Chikusa-ku, Nagoya, 464-8602, Japan

    Yuichi Miura, Tetsumasa Nakayasu, Takayoshi Mamiya & Hideharu Kato

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  1. Yuichi Miura
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  2. Tetsumasa Nakayasu
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  3. Takayoshi Mamiya
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  4. Hideharu Kato
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Miura, Y., Nakayasu, T., Mamiya, T. et al. Dislocation Motion in bcc Solid 3He. Journal of Low Temperature Physics 110, 115–119 (1998). https://doi.org/10.1023/A:1022523003098

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  • DOI: https://doi.org/10.1023/A:1022523003098

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