标题： 核壳模型与液滴模型在奇异夸克物质中的比较 显示英文标题

标题： Shell model versus liquid drop model for strangelets

摘要： 一个关于大质量夸克在袋中的态密度曲率贡献的假设被提出，并被证明能够重现精确的模式填充计算。 从MIT袋模型中的渐近展开中自洽地推导出一种球形三味夸克物质团块的质量公式，考虑了体积、表面和曲率贡献。 对多种奇异夸克质量和袋常数进行了壳模型计算，并显示结果与渐近展开很好地吻合。 显示英文摘要

摘要： An ansatz for the curvature contribution to the density of states for massive quarks in a bag is given and shown to reproduce exact mode-filling calculations. A mass-formula for spherical lumps of 3-flavor quark matter is derived self-consistently from an asymptotic expansion within the MIT bag model, taking into account bulk, surface, and curvature contributions. Shell model calculations are performed for a variety of strange quark masses and bag constants, and the results shown to match nicely with the asymptotic expansion.