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arXiv 0801.3791astro-ph
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中子星的超核物理

Hypernuclear Physics for Neutron Stars

Jurgen Schaffner-Bielich

摘要:

超核物理学在中子星物理学中的作用被描绘出来。致密物质中的超核势控制着致密中子星物质的超子组成。核子和超子的三体相互作用决定了中子星状态方程的刚度,从而决定了中子星的最大质量。两体超子-核子和超子-超子相互作用产生超子配对,通过直接超子URCA过程指数抑制中子星的冷却。由于旋转中子星的r模不稳定性,在致密中子星物质中与超子的非介子弱反应控制着引力波的发射。

英文摘要:

The role of hypernuclear physics for the physics of neutron stars is delineated. Hypernuclear potentials in dense matter control the hyperon composition of dense neutron star matter. The three-body interactions of nucleons and hyperons determine the stiffness of the neutron star equation of state and thereby the maximum neutron star mass. Two-body hyperon-nucleon and hyperon-hyperon interactions give rise to hyperon pairing which exponentially suppresses cooling of neutron stars via the direct hyperon URCA processes. Non-mesonic weak reactions with hyperons in dense neutron star matter govern the gravitational wave emissions due to the r-mode instability of rotating neutron stars.

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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