论文标题
斧头暗物质光环在重力物质的重力场中
Axionic Dark Matter Halos in the Gravitational Field of Baryonic Matter
论文作者
论文摘要
我们将球形星系的暗物质光环（DMH）视为与Baryonic物质相互作用的超光轴的Bose-Einstein冷凝物。在平均场限制中，我们为DMH组件的球形对称波函数而得出了Hartree-fock类型的全差方程。该方程包括两个独立的无量纲参数：（i）\ b {eta} - 巴里昂和轴轴总体mases的比率以及（ii）ξ-特征性baryon和斧头空间参数的比率。我们扩展了耗散算法，用于在重力分量产生的重力场中数值研究轴突光环的基态。我们计算了DMH的特征大小XC作为\ b {eta}和ξ的函数，并获得了XC的分析近似。
We consider a dark matter halo (DMH) of a spherical galaxy as a Bose-Einstein condensate of the ultra-light axions interacting with the baryonic matter. In the mean-field limit, we have derived the integro-differential equation of the Hartree-Fock type for the spherically symmetrical wave function of the DMH component. This equation includes two independent dimensionless parameters: (i) \b{eta}- the ratio of baryon and axion total mases and (ii) ξ- the ratio of characteristic baryon and axion spatial parameters. We extended our dissipation algorithm for studying numerically the ground state of the axion halo in the gravitational field produced by the baryonic component. We calculated the characteristic size, Xc, of DMH as a function of \b{eta} and ξ and obtained an analytical approximation for Xc.
