Dislocation Motion in bcc Solid 3He |
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| Authors: | Yuichi Miura Tetsumasa Nakayasu Takayoshi Mamiya Hideharu Kato |
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| Affiliation: | (1) Department of Physics, Nagoya University, Chikusa-ku, Nagoya, 464-8602, Japan |
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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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