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首页> 外文期刊>European physical journal >Stability and improved physical characteristics of relativistic compact objects arising from the quadratic term in (p_r = lpha ho ^2 + eta ho - gamma )
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Stability and improved physical characteristics of relativistic compact objects arising from the quadratic term in (p_r = lpha ho ^2 + eta ho - gamma )

机译：从（p_r = alpha rho ^ 2 + beta rho - gamma beta rho - gamma ）中由二次术语产生的相对论紧凑型对象的稳定性和改进的物理特征

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摘要

We investigate the stability and enhancement of the physical characteristics of compact, relativistic objects which follow a quadratic equation of state. To achieve this, we make use of the Vaidya–Tikekar metric potential. This gravitational potential has been shown to be suitable for describing superdense stellar objects. Pressure anisotropy is also a key feature of our model and is shown to play an important role in maintaining stability. Our results show that the combination of the Vaidya–Tikekar gravitational potential used together with the quadratic equation of state provide models which are favourable. In comparison with other equations of state, we have shown that the quadratic equation of state mimics the colour-flavour-locked equation of state more closely than the linear equation of state.
机译：我们研究了紧凑，相对论物体的物理特性的稳定性和增强，其遵循正状态的二次方程。 为实现这一目标，我们利用了Vaidya-Tikekar公制潜力。 这种重力电位已被证明适用于描述超义恒星物体。 压力各向异性也是我们模型的关键特征，并显示在保持稳定性方面发挥重要作用。 我们的研究结果表明，与二次国家的二次方程一起使用的Vaidya-Tikekar重力潜力的组合提供了有利的模型。 与其他状态等方程相比，我们已经表明，状态的二次方程模拟了比线性方程更紧密地模拟着旋转状态的彩色风味锁定方程。

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