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首页> 外文期刊>International journal of modern physics, D. Gravitation, astrophysics, cosmology >Missing mass and the acceleration of the universe: Is quintessence the only explanation?
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Missing mass and the acceleration of the universe: Is quintessence the only explanation?

机译:缺少质量和宇宙加速:精髓是唯一的解释吗?

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摘要

Detailed observations of the temperature fluctuations in the microwave background radiation indicate that we live in an open universe. From the size of these fluctuations, it is concluded that the geometry of the universe is quite close to Euclidean. In terms Friedmann models, this implies a mass density within 10% of the critical density required for a flat universe. Observed mass can only account for 30% of this mass density. Recently, an outstanding observation revealed that cosmos is accelerating. This motivated some astronomers to explain the missing 70% as some exotic dark energy called quintessence. In this essay, we present an alternative explanation to these cosmological issues in terms of the Friedmann Thermodynamics. This model has the capability of making definite predictions about the geometry of the universe, the missing mass problem, and the acceleration of the universe in-line with the recent findings. For future observations, we also predict where this model will start differing from the quintessence models. [References: 17]
机译:对微波背景辐射中温度波动的详细观察表明,我们生活在一个开放的宇宙中。从这些波动的大小可以得出结论,宇宙的几何形状非常接近欧几里得。用弗里德曼模型表示,这意味着质量密度应在扁平宇宙所需的临界密度的10%以内。观察到的质量仅占该质量密度的30%。最近,一项出色的观察表明宇宙正在加速发展。这激发了一些天文学家将缺失的70%解释为一种叫做“精髓”的奇特的暗能量。在本文中,我们根据弗里德曼热力学对这些宇宙学问题提出了另一种解释。该模型能够对宇宙的几何形状,缺失的质量问题以及宇宙的加速度做出与最近的发现一致的明确预测。对于将来的观察,我们还预测该模型将从何处开始与典型模型不同。 [参考:17]

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