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首页> 外文期刊>Brazilian journal of physics >General Relativistic Thick Disks in the Accelerating Expanding Universe Dominated By Dark Energy
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General Relativistic Thick Disks in the Accelerating Expanding Universe Dominated By Dark Energy

机译:一般相对主义的厚盘,在加速扩张宇宙中受到黑暗能量

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In this article, we study the structure of the general relativistic thick disks in the accelerating expanding universe which is dynamically dominated by dark energy. By applying a conformal transformation on the metric of a thick disk in isotropic coordinates of a static universe, we study the disk in the Friedman-Robertson-Walker (FRW) spacetime of an expanding universe. Also, we investigate the structure of a thick disk in a dynamical state by solving Einstein equations in the presence of cosmological constant ?. Moreover, modified mass and energy densities of the thick disk, as well as its radial, azimuthal, and vertical pressures, are examined as the functions of time. Furthermore, we check out energy conditions for the relativistic thick disks in the expanding universe.
机译:在本文中,我们研究了加速扩张宇宙中的一般相对论厚盘的结构,该宇宙通过暗能动态主导。 通过在静态宇宙的各向同性坐标中应用对厚盘的度量的共形转换,我们研究了弗里德曼 - 罗伯逊 - 沃克(FRW)Spacetime的磁盘。 此外,我们通过在宇宙学常数存在下解决Einstein方程来调查动态状态的厚盘的结构?。 此外,将厚盘的改性质量和能量密度以及其径向,方位角和垂直压力,作为时间的功能。 此外,我们在扩展宇宙中查看相对论厚盘的能量条件。

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