解禁闭相变对含混合相物质恒星旋转化学偏差的影响
The effect of deconfinement phase transition on rotochemical deviations in stars containing mixed phase matter
摘要:
当中子星向下旋转时,它的核心密度增加,改变相对平衡浓度,并引起解除禁闭的相变。强子物质在内部转化为夸克物质,从而增强了化学平衡态的偏离。我们研究了这种偏离及其化学能的释放,并将其应用到冷却中子星的模拟中,发现中子星的表面有效温度明显提高。这意味着解除禁闭相变能够提高化学加热效率。
英文摘要:
As a neutron star spins down, its core density increase, changing the relative equilibrium concentration, and causing deconfinement phase transition as well. hadron matter are converted into quark matter in the interior, which enhances the deviation of chemical equilibrium state. We study such deviations and its chemical energy release.Applying to the simulation of cooling neutron stars, we find the surface effective temperature of neutron stars is promoted obviously. This implies that the deconfinement phase transition is able to raise the chemical heating efficiency.
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