金属氢的导电性和离解：对行星内部的影响
Conductivity and Dissociation in Metallic Hydrogen: Implications for Planetary Interiors
摘要：
液态金属氢（LMH）是近年来在静态压缩和高温条件下在实验台上制备的。在这里，我们报告的光学反射率的LMH在1.4-1.7毫巴的压力区域的研究和使用Drude自由电子模型，以确定其光学电导率。我们发现金属氢的静态电导率为11，000 - 15，000 S/cm。需要大量的解离分数来最好地拟合所观察到的反射率的能量依赖性。在我们的实验条件下，LMH主要是原子和简并的，而不是主要的分子。我们确定了等离子体频率和光学电导率。性质被用来分析富氢行星的行星结构，如木星。
英文摘要：
Liquid metallic hydrogen (LMH) was recently produced under static compression and high temperatures in bench-top experiments. Here, we report a study of the optical reflectance of LMH in the pressure region of 1.4-1.7 Mbar and use the Drude free-electron model to determine its optical conductivity. We find static electrical conductivity of metallic hydrogen to be 11,000-15,000 S/cm. A substantial dissociation fraction is required to best fit the energy dependence of the observed reflectance. LMH at our experimental conditions is largely atomic and degenerate, not primarily molecular. We determine a plasma frequency and the optical conductivity. Properties are used to analyze planetary structure of hydrogen rich planets such as Jupiter.
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