Thermal Conductivity of Solid ^3He in U2D2 Phase at Low Temperatures
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概要
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We calculate the thermal conductivity of solid ^3He in U2D2 phase. In this system, magnons are the dominant heat carriers. The experiment by Feng et al. shows that scattering of magnons by some kind of magnetic defects becomes important at low temperatures. We suppose that the magnetic plane defects (MPDs) originate from lattice dislocations, and calculate the thermal conductivity by the same procedure as used in the calculation of Kapitza Resistance (KR). From our results, we find that our model is able to explain the experimental result qualitatively. We also estimate the mean distance between magnetic plane defects and get the reasonable value.
- 社団法人日本物理学会の論文
- 2002-09-15
著者
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OHMI Tetsuo
Department of Physics, Graduate School of Science, Kyoto University
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Ohmi Tetsuo
Depart Of Physics Kyoto University
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Furukawa Hitoshi
Department of Cardiology, Higashi Nagano National Hospital.
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Furukawa Hitoshi
Department Of Cardiology Higashi Nagano National Hospital.
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