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arXiv 1806.05072nucl-th
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有限温度下超流核子混合物的卷吸矩阵

The entrainment matrix of a superfluid nucleon mixture at finite temperatures

Lev B. Leinson

摘要:

本文考虑了核子谱中超流能隙对超流速度的依赖性,在中子超流起始点以下的任意温度下,非相对论混合超流核子的卷吸矩阵是一个封闭的非线性方程组.假设质子凝聚成各向同性的$^1$ S $_0$态,中子配对成自旋三重态$^3$ P $_2$态。本文导出了在低于中子超流性起始临界值的温度下,夹带矩阵的非线性方程组的解析解。在一般情况下的任意温度的超流混合物的非线性方程组的数值求解和拟合的简单公式方便的实际使用与任意设置的朗道参数。

英文摘要:

It is considered a closed system of non-linear equations for the entrainment matrix of a non-relativistic mixture of superfluid nucleons at arbitrary temperatures below the onset of neutron superfluidity, which takes into account the essential dependence of the superfluid energy gap in the nucleon spectra on the velocities of superfluid flows. It is assumed that the protons condense into the isotropic $^1$S$_0$ state, and the neutrons are paired into the spin-triplet $^3$P$_2$ state. It is derived an analytic solution to the non-linear equations for the entrainment matrix under temperatures just below the critical value for the neutron superfluidity onset. In general case of an arbitrary temperature of the superfluid mixture the non-linear equations are solved numerically and fitted by simple formulas convenient for a practical use with an arbitrary set of the Landau parameters.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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