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arXiv 1107.5243nucl-thastro-ph.SR
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强磁场中的原子核结构:磁星地壳中的原子核

Nuclear structure in strong magnetic fields: nuclei in the crust of a magnetar

Daniel Pena Arteaga, Marcella Grasso, Elias Khan, Peter Ring

摘要:

用协变密度泛函理论研究了中子星(磁星$B \approx10^{18}$ G)的强磁场对原子核结构的影响。所有新的条款在运动方程中产生的时间反演对称性破缺的磁场和感应电流,以及轴向变形,考虑在一个自洽的方式。对于在铁区域的核图中的核,发现在$10^{17}$ G的数量级的场显着地影响体积性质,如质量和半径。

英文摘要:

Covariant density functional theory is used to study the effect of strong magnetic fields, up to the limit predicted for neutron stars (for magnetars $B \approx10^{18}$G), on nuclear structure. All new terms in the equation of motion resulting from time reversal symmetry breaking by the magnetic field and the induced currents, as well as axial deformation, are taken into account in a self-consistent fashion. For nuclei in the iron region of the nuclear chart it is found that fields in the order of magnitude of $10^{17}$G significantly affect bulk properties like masses and radii.

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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