Jupiter's Conductive Molten Core of Moderate Temperature

概要

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Recently is was proposed that any solid possesses the melting point T_m whose dT_m/dP is positive in the beginning of the applied pressure, but becomes negative on further increasing pressure, resulting in a maximum T_m characteristic for the material. The new hypothesis involves another concept that a solid having a larger mass number has a relatively lower maximum T_m, whereas that having a smaller mass number has a higher maximum T_m. It was also assumed that the metallic hydrogen is the lightest alkali metals belonging to the I-A group of the periodic table, and that the maximum melting point of the metallic hydrogen can be determined by extrapolating melting data of Cs, Rb, K, Na and Li successively. Then, There is a possibility that the Jupiter may possess a relatively cool molten metallic hydrogen core, whose temperature is definitely lower than estimated by DeMarcus.
社団法人日本物理学会の論文
1969-12-05