标题： 带电各向异性白矮星在$f\left({R}, {T}\right)$引力中 显示英文标题

标题： Charged anisotropic white dwarfs in $f\left({R}, {T}\right)$ gravity

摘要： 在$f\left(R, T\right) = R + 2 \beta T$引力的背景下，其中$R$是里奇标量，$T$是能量-动量张量的迹，研究了带电各向异性白矮星（WDs）的平衡结构。 一般情况下的恒星方程被推导出来，并针对 Chandrasekhar 状态方程（EoS）和与能量密度$\rho_{\text{ch}} = \alpha \rho$成比例的电荷密度分布找到了数值解。 通过调整不同的参数，比较了在各种条件下解的特性。 最重要的是，通过以多种方式超越广义相对论中的平凡 WD，这些解可能会表现出超 Chandrasekhar 行为。 本文是对 WD 结构的研究，所得结果可能对超亮 Ia 型超新星等天文学观测产生对比效应。 显示英文摘要

摘要： In the context of $f\left(R, T\right) = R + 2 \beta T$ gravity, where $R$ is the Ricci scalar and $T$ is the trace of the energy-momentum tensor, the equilibrium structure of charged anisotropic white dwarfs (WDs) is studied. The stellar equations for the general case are derived and numerical solutions are found for the Chandrasekhar equation of state (EoS) and a charge density distribution proportional to the energy density $\rho_{\text{ch}} = \alpha \rho$. By adjusting different parameters, the properties of the solutions under various conditions are compared. Most importantly, by going beyond the trivial WD in GR in various ways, the solutions may exhibit super-Chandrasekhar behavior. This article is a study of a WD structure, and the results obtained may have a contrasting effect on astronomical observations such as superluminous type Ia supernovae.