In this paper, we have investigated some cosmological consequences of a quintessence dark energy model. In particular, we have obtained the forms of the equation of state parameter, the deceleration parameter and the field potential by considering a simple relation between the scale factor and the time derivative of the scalar field, instead of assuming any functional form for the scalar field potential or the scale factor or the equation of state parameter. We have found that the model provides the desired early deceleration followed by present acceleration of the universe. The potential derived numerically in this work in the form [Formula: see text], where [Formula: see text], [Formula: see text] and [Formula: see text] are real constant parameters. It has also been found that our model mimics as the standard [Formula: see text]CDM model in future. Finally, we have also shown the evolution of the normalized Hubble parameter for our model and the [Formula: see text]CDM model and compared that with the latest Hubble parameter data.

中文翻译：

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标量场暗能量的新潜力

在本文中，我们研究了典型暗能量模型的一些宇宙学后果。特别是，我们通过考虑尺度因子和标量场时间导数之间的简单关系，而不是假设标量场的任何函数形式，得到状态参数方程、减速参数和场势方程的形式。势或比例因子或状态方程参数。我们发现该模型提供了所需的早期减速，然后是当前的宇宙加速。在这项工作中以数字形式导出的势能 [公式：见文本]，其中 [公式：见文本]、[公式：见文本] 和 [公式：见文本] 是实常数参数。还发现我们的模型模仿标准[公式：见文]未来的CDM模式。最后，我们还展示了我们的模型和[公式：见正文]CDM模型的归一化哈勃参数的演变，并将其与最新的哈勃参数数据进行了比较。