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首页> 外文期刊>Physical review, C >Fluctuations in the composition of nuclear pasta in symmetric nuclear matter at finite temperature
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Fluctuations in the composition of nuclear pasta in symmetric nuclear matter at finite temperature

机译：有限温度对称核问题核面食组成的波动

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摘要

The equilibrium distributions of the different pasta geometries and their linear sizes are calculated from the mean field Gibbs energy functional in symmetric nuclear matter at finite temperature. The average sizes and shapes coincide approximately with the ones predicted by a standard pasta calculation in the coexisting phase approximation, but fluctuations are additionally calculated and seen to increase with temperature and baryonic density. The different pasta shapes are shown to coexist in a wide domain of density and temperature, in qualitative agreement with the findings of large scale molecular dynamics simulations, but with a much less expensive computational cost.
机译：不同意大面几何形状的平衡分布及其线性尺寸由平均场GIBBS能量函数在有限温度下的对称核物质中的计算。 平均尺寸和形状大致与在共存相位逼近的标准面食计算预测的平均尺寸和形状，但另外计算波动并观察到温度和缩放密度增加。 在与大规模分子动力学模拟的调查结果中，不同的面食形状显示在密度和温度的宽带和温度范围内存，但计算成本较低。

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