寻找硬球的紧致半经验状态方程：玻璃化转变和无规松散堆积的可能性
Looking for a compact semi empirical equation of state for hard spheres: possibility of a glassy transition and random loose packing
摘要：
高密度硬球流体的状态方程在无规密堆积极限下应呈现一个简单极点。在这里，我们表明，试图获得一个紧凑的半经验的状态方程，同时兼容的渐近行为，并与已知的维里系数提出了一个分析的困难，可以解决，如果发生在无序的亚稳相的密度介于凝固点和随机密堆积限制，数值接近的熔点之间的玻璃化转变。过渡点的估计值，这是确定与随机松散包装，是在较好的协议与早期的估计。
英文摘要：
The equation of state of a hard sphere fluid at high density should exhibit a simple pole at the random close packing limit. Here we show that trying to obtain a compact semi-empirical equation of state simultaneously compatible with that asymptotic behaviour and with the known virial coefficients raises an analytical difficulty which can be solved if a glassy transition occurs in the disordered metastable phase at a density intermediate between the freezing point and the random close packing limit, numerically close to the melting point. The estimated value for the transition point, which is identified with random loose packing, is in good agreement with earlier estimations.
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