超固态氦在高压下可能的压力波
Possible Pressure Waves of Supersolid Helium at High Pressure
摘要:
我们对Kim和Chan的[{ \it Phys. Rev. Lett.} 97,115302(2006)]的信。基于他们的压力依赖性测量(通过扭转振荡器技术),我们提出,{ \it超固体}分数($ρ_s/ρ$)可能是相关的声吸收或衰减(压力波的波动)在微观领域,因为没有明显的变化,在$T_c$与压力。
英文摘要:
We make comments on Kim and Chan's [{\it Phys. Rev. Lett.} 97, 115302 (2006)] letter. Based on their pressure-dependent measurements (by a torsional oscillator technique), we propose that the {\it supersolid} fraction ($ρ_s/ρ$) might be relevant to an sound absorption or attenuation (fluctuations of pressure waves) in microscopic domain since there is no apparent change in $T_c$ with pressure.
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